Sword Art Online Timeline

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Tentative timeline of the events/Books in SAO

The Sword Art Online Timeline lists the known time and date of all the events that have occurred in the Sword Art Online series in chronological order. 10 years need to be added to the events whose date and time can only be sourced from the web version of SAO to maintain consistency.

1977

June

June 22nd

• Shigemura Tetsuhiro is born.

2006

April

April 8th

• Nochizawa Eiji (Nautilus/Eiji) is born.

April 20th

• Kohiruimaki Karen (LLENN) is born.

July

July 29th

• Shigemura Yuuna (Yuna) is born.

November

November 13th

• Shinkawa Shouichi (XaXa/Sterben) is born.

2007

May 18th

• Shinozaki Rika (Lisbeth) is born.

September 30th

• Yuuki Asuna is born.

2008

June 5th

• Hosaka Carina Tomo (Argo) is born.

October

October 7th

• Narusaka Kazuto (Kirito) is born.

After October 7th

• Kazuto is adopted by the Kirigaya family after his birth and his parents' apparent death.

November

• Kirigaya Kazuto starts living in the Kirigaya residence.

2009

April

April 19th

• Kirigaya Suguha (Leafa) is born.

August

August 21st

• Asada Shino (Sinon) is born.

2010

May

May 23rd

• Konno Yuuki and Konno Aiko are born and their family is infected with HIV, due to transfusions of contaminated blood.

October

October 4th

• Ayano Keiko (Silica) is born.

2011

End of the year

• Shino's family encounters a traffic accident, due to which her father passes away.

2016

• Kirigaya Kazuto gives up on Kendo.

2018

• Kazuto plants Salvia on a countryside land.
• Kazuto finds out about his parents' deaths from the deleted entry record he found on the Internet.

2020

September/October

• Asada Shino is involved in a fatal robbery in a post office.

2021

• The NerveGear is announced.
• Japanese Self-Defense Force (JSDF) and U.S. Army start developing training software utilizing the NerveGear together.

2022

May

• The NerveGear is released to the market.

August

• The Sword Art Online (SAO) Closed Beta is launched.
  • Kirito encounters Argo.

August 31st

• The Sword Art Online Closed Beta is closed.

October

October 31st

• Sword Art Online sales begin.
  • By this time, the "buzz" for the game is considered to be "worldwide."

November

• "[Progressive - Aria Audio Drama] Lisbeth Edition" takes place

November 2nd

• People start queuing up at stores for the release of Sword Art Online.

November 5th

• Sword Art Online sales in stores begin.

November 6th

• 13:00 JST: Start of the Sword Art Online Official Service.
  • Kirito logs into the game at this exact time.
• Kirito shows Klein the basics of the game.
• After 17:30 - 18:00 Aincrad Standard Time - Kayaba Akihiko successfully traps nearly 10,000 Players in the game. Of this 10,000, between 700-800 are beta testers. 213 people died because their family or friends attempted to remove the NerveGear from their head.
• Kirito parts ways with Klein and heads to Horunka village.
• 18:15 Aincrad Standard Time: Beginning of "The First Day"
• 19:00 Aincrad Standard Time: Kirito goes off to complete the «Secret Medicine of the Forest» quest.
• Kirito meets Coper, another beta tester, and both agree to help each other complete the «Secret Medicine of the Forest» quest.
• ~20:30 Aincrad Standard Time: First in-game death in Sword Art Online occurs. The player, Arvin, attempted to test the theory that he would regain consciousness after being disconnected from the server by jumping off from Aincrad.
• ~20:30-21:00 Aincrad Standard Time: Coper tries a monster PK on Kirito only to end up dying himself.
• 21:00 Kirito returns to Horunka village, finishes the quest and obtains an Anneal Blade.
• End of "The First Day"
• SAO Case Victims Rescue Force established. Kikuoka Seijirou joined and led it.

November 7th

• Beginning of "The Next Day"
• 7:00: Argo meets Kirito to purchase information about his Anneal Blade.
• 8:50: Kirito and Argo start “The Heifer Strikes Back” quest.
• After 13:00: Kirito and Argo complete “The Heifer Strikes Back” quest.
• End of “The Next Day”

November 21st

• "Progressive Story about the "Day of Beginnings" of that man who no one knows" takes place (non-canon)
• PoH makes his first PK and MPK in SAO (non-canon)

December

• Suguha finds out about Kazuto's parents' death and their actual relationship.
• About 2,000 people had died while playing Sword Art Online. Of this number, roughly 300 deaths were beta testers.
• Liten encounters the iron ore glitch.
• "[Progressive - Aria Audio Drama] Silica Edition" takes place

December 2nd

• Beginning of Progressive Volume 1, Aria of a Starless Night
• Kirito meets Asuna.
• 04:00 Aincrad Standard Time: Asuna loses consciousness in the 1^st Floor Labyrinth due to fatigue.
• 16:00 Aincrad Standard Time: The First Floor Boss Strategy Meeting is held in Tolbana.

December 3rd

• Afternoon: Diavel's party finds the boss room.
• Before 17:30 - Aincrad Standard Time - The second First Floor Boss Strategy Meeting is held. Asuna temporarily joins Kirito's party.
• Asuna borrows Kirito's bathroom.
• Night - Asuna obtains a Wind Fleuret from a monster drop.

December 4th

• 10:00 Aincrad Standard Time: The First Floor Boss Raid Group bands together.
• 12:40 Aincrad Standard Time: First Floor Boss fight begins.
• After 12:40 - Diavel dies and is revealed to be the true buyer of Kirito's sword in order to prevent him from getting the L.A.
• Kirito deals the Last Attack on Illfang the Kobold Lord. He gains the Coat of Midnight as a bonus.
• The term «Beater» is coined by the raid survivors.
• The precursors to the two major front-line guilds are created
• End of Progressive Volume 1, Aria of a Starless Night.
• Beginning of Progressive Volume 1, Interlude - The Reason for the Whiskers. .
• Kirito opens the teleport gate to the second floor. The first Town Opening is held.
• Kirito helps Argo out. He starts the acquisition quest for the Martial Arts Extra Skill.

December 7th

• Kirito completes the acquisition quest for the Martial Arts Extra Skill.
• End of Progressive Volume 1, Interlude - The Reason for the Whiskers..

December 8th

• Beginning of Progressive Volume 1, Rondo of a Fragile Blade.
• 15:00 Aincrad Standard Time: A certain player consecutively fails to strengthen his Anneal Blade four times at Nezha's Smith Shop.
• Asuna persuades Kirito to help her hunt «Needle of Wind Wasp».
• 19:00-19:30 Aincrad Standard Time: Kirito and Asuna go to eat a Tremble Shortcake together, with the expenses paid by Kirito due to him losing their challenge to kill 50 Windwasps first.
• After 19:30 Aincrad Standard Time: Asuna's Wind Fleuret appears to have vanished, seemingly because of a failure in strengthening.
• 20:28-20:30 Aincrad Standard Time: Asuna's Wind Fleuret +4 is returned to her.

December 9th

• Morning - The only Field Boss on the 2^nd Floor, The Bullbous Bow is defeated.
• Late morning/early afternoon - Kirito acquires a Chakram in the Labyrinth
• Evening - Kirito and Asuna meet Argo in a pub.

December 11th

• Near 20:00 - Kirito resolves the method used by Nezha to do the Enhancement scam, and he lets Nezha abandon his Blacksmith skill to acquire the Martial Art skill.
• Kirito gives Nezha the Chakram.

December 14th

• Before boss chamber - Kirito earns the nickname "Blackie".
• Kirito gives Agil the Vendor's Carpet to start a business.
• The 2^nd Floor Mid-Bosses, Baran the General Taurus and Nato the Colonel Taurus, are defeated.
• The 2^nd Floor Boss, Asterius the Taurus King, is defeated.
• Nezha admits to the blacksmith scam along with the Legend Braves.
• End of Progressive Volume 1, Rondo of a Fragile Blade
• Beginning of Progressive Volume 2, Concerto of Black and White.
• Asuna and Kirito party together. With Kirito and Asuna's help, the Dark Elf Kizmel defeats the Forest Elf, starting the "Elf War" campaign quest line.

December 15th

• ~03:30-04:00 - Kirito's party defeats the Nephila Regina.
• Dawn - Asuna melts her Wind Fleuret +5 into an Argentium Ingot, then uses it to make her new rapier, the Chivalric Rapier.
• 17:00 - The first clearing meeting for the 3^rd Floor takes place.
• Kibaou and Lind officially announce the formal establishment of the Dragon Knights Brigade (DKB) and Aincrad Liberation Squad (ALS) guilds.

December 16th-17th

• Kirito and Asuna complete quests and gather materials along with Kizmel.

December 18th

• 23:45 - Kirito awakes and sneaks out of the elf camp.

December 19th

• Just before 01:00 - Kirito heads to the Forest Elf camp to continue the campaign quest on his own and is ambushed by Morte.
• The duel between Kirito and Morte ends in a draw, with Morte making a quick escape.
• Just after the duel - Kibaou and Lind heatedly debate over which Guild should get the rights to the Forest Elf camp.
• Both Guilds calm and abandon the campaign quest, leaving it to Kirito and Asuna to complete.

December 20th

• 17:00 - The last clearing meeting for the 3^rd Floor takes place.

December 21st

• 13:12 - The 3^rd Floor Boss, Nerius the Evil Treant, is defeated.
• End of Progressive Volume 2, Concerto of Black and White.
• Beginning of Progressive Volume 3, Barcarolle of Froth.
• 13:32 - Kirito and Asuna reach the 4^th Floor.
• Kirito and Asuna swim to the main city of the 4^th Floor with swim rings.
• 14:02 - Kirito and Asuna reach the 4th Floor's main city.
• 14:12 - The town opening for the 4^th Floor.

December 24th

• 4^th Floor's Field Boss, Biceps Archelon, is defeated.

December 27th

• 14:32 - The 4^th Floor Boss, Wythege The Hippocampus, is defeated.
• End of Progressive Volume 3, Barcarolle of Froth.

December 28th

• Beginning of Progressive Volume 4, Scherzo of Deep Night.
• Night - Joe learns the existence of the Flag of Valor. Aincrad Liberation Squad holds a secret strategy meeting and decides to clear the boss themselves before the Dragon Knights Brigade.

December 29th

• 22:00 - Morte and Joe have a secret meeting in the underground dungeon beneath Karluin. The meeting is overheard by Asuna.

December 31st

• 16:15 - Kirito's team enters the 5th Floor Labyrinth tower.
• After 19:00 - Kirito's team reaches the 5th Floor boss.
• 20:30 - The 5th Floor boss, Fuscus the Vacant Colossus, is defeated.

2023

• Argus is disbanded, RECT Progress Inc. takes over SAO server management.^{[citation needed]}
• 22^nd Floor Boss is defeated within 3 days of the 21^st Floor being cleared.

January

January 1st

• Kirito encounters a man in a black poncho, who uses the catchphrase "It's showtime", in a castle in Karluin.
• End of Progressive Volume 4, Scherzo of Deep Night.
• Beginning of Progressive Volume 5, Canon of the Golden Rule (I).
• SAOP 4.1 takes place.
• ~03:00 - Asuna and Kirito arrive to Stachion on the 6th Floor.
• Asuna and Kirito meet with the leaders of the Dragon Knights Brigade to discuss the handling of the Flag of Valor.
• Asuna and Kirito begin the Curse of Stachion quest.
• 17:30 - Asuna and Kirito complete the information gathering in the Stachion portion of the Curse of Stachion questline.
• Asuna and Kirito meet with Argo in Suribus.
• Asuna and Kirito acquire a golden key at Pithagrus's second home in Suribus and are captured by Cylon as they attempt to leave the house.
• As Cylon transports Asuna and Kirito back to Stachion, their carriage is ambushed by Morte and Joe. Cylon is killed by Morte.
• Morte and Joe are forced to retreat after the former was nearly killed by Kirito.

January 2nd

• The first Field Boss of the 6th Floor is defeated.
• Asuna and Kirito arrive at Castle Galey and reunite with Kizmel.
• End of Progressive Volume 5, Canon of the Golden Rule (I).

January 3rd

• Beginning of Progressive Volume 6, Canon of the Golden Rule (II).
• 10:00: Kirito, Asuna and Kizmel arrive at Lake Talpha to reach the south area of the 6th floor.
• 13:00: Kizmel solves a hard puzzle in the south area of the 6th floor.
• 16:20: Kirito, Asuna and Kizmel return to Castle Galey to finish the “Agathe Key” quest.
• Sword Art Online Material Edition 21 "SAOP 4.2" takes place.

January 4th

• 2:00: Kirito wakes up to investigate the interior and surroundings of Castle Galey.
• After 3:00: Kirito meets Bouhroum the Storyteller.
• 6:15: Kirito complete Bouhroum’s trial and acquires the Awakening mod for the Meditation skill.
• 14:00: Kirito, Asuna, Kizmel and Myia visit the Storyteller Bouhroum.
• 15:00: Castle Galey is attacked by Fallen Elves.
• Kysarah steals the four sacred keys and the iron key.
• 17:30: Kirito, Asuna and Myia cross Lake Talpha to reach the fifth area of the 6th floor.
• 21:00: The Sixth Floor Boss Raid begins.
• ~23:00 Aincrad Standard Time: The 6th Floor Boss, The Irrational Cube, is defeated.

January 5th

• 0:40 Kirito and Asuna bid farewell to Theano and Myia.
• End of Progressive Volume 6, Canon of the Golden Rule (II).
• Beginning of Progressive Volume 7, Rhapsody of Crimson Heat (I).
• Afternoon: Kirito and Asuna travel to the town of Volupta through the Verdian Plains.
• 20:30: Kirito and Asuna enter the Volupta Grand Casino with Argo to help her on a quest.
• 21:00: "Rusty Lykaon" vs Bouncy Slater duel begins at the Monster Arena.
• 21:10: "Rusty Lykaon" wins the duel.
• 22:30: Final battle of the night in the Monster Arena. DKB and ALS lose all their chips in the bet.

January 6th

• 3:10: Kirito and Asuna depart from Volupta to the Forest of the Shaking Boulders.
• 5:07: Kirito and Asuna are arrested by the Dark Elves upon their arrival at the Halin Arboreal Palace.
• 7:00: Kirito, Asuna, Kizmel and Lavik escape from the Halin Arboreal Palace.
• 10:00: Kirito and Asuna return to Volupta with Kizmel.
• End of Progressive Volume 7, Rhapsody of Crimson Heat (I).
• Beginning of Progressive Volume 8, Rhapsody of Crimson Heat (II).
• Kirito frees the Storm Lykaon.
• 17:00: Korloy’s stable inspection.
• Nirrnir is bitten by an Argent Serpent.
• 8:30: Kirito and Asuna enter the casino in disguise and buy two thousand chips.
• 22:30: Tiny Glyptodont vs Verdian Bighorn duel begins at the Monster Arena.
• 22:45: Verdian Bighorn wins the duel. Kirito and Asuna win 142,629 chips and buy the Sword of Volupta.

January 7th

• 4:30: Kirito, Asuna, Argo, Kizmel, Kio and Nirrnir leave Volupta to travel to the Skeleton Prairie.
• 7:05: Kirito’s party starts to pursue the Fallen Elves in the Skeleton Prairie.
• Kirito’s party enter the 7th Floor Labyrinth.

January 8th

• 4:00: Agil’s party encounters Kirito’s party in a saferoom in the 7th Floor Labyrinth.
• After 5:00: The Seventh Floor Boss Raid begins.
• Kirito becomes a Civis Nocte.
• Early morning: The 7th Floor Boss, Aghyellr the Igneous Wyrm, is defeated.
• End of Progressive Volume 8, Rhapsody of Crimson Heat (II)

February

• Konno Yuuki begins to use the Medicuboid.
• Silica tames a «Feathered Little Dragon» and names it Pina.

March

March 31st

• The 25^th Floor's boss is defeated.
• Over half of the Aincrad Liberation Squad members are annihilated. The ALS leaves the front lines.
• The Knights of the Blood guild is formed.
• Asuna joins the Knights of the Blood.
• The Knights of the Blood debut in the 26^th Floor's boss clearing meeting.

April

April 8th

• Volume 2, "Red-Nosed Reindeer" begins.
• Kirito joins the Moonlit Black Cats.

May

• Creation of the AmuSphere.

May 9th

• The Clearers make it through the 28^th Floor.

June

June 22nd

• Front line is at the 30th Floor.
• ~17:45 Aincrad Standard Time: Death of the Moonlit Black Cats members, aside from Kirito..

September

• Mahokl commisions Agil to gather S-class logs for her quarterstaff.

October

October 8th

• The 38th Floor's boss is defeated.

October 15th

• Beginning of Hopeful Chant
• The Ruthless Warder Chief is defeated.

October 16th

• Nautilus is demoted to the Second Army of the Knights of the Blood and informed that he would not be participating in the boss battle.
• 40th Floor boss room is discovered.

October 17th

• 40th Floor boss strategy meeting is held.

October 18th

• 09:00 Aincrad Standard Time: The Clearers use a Corridor Crystal to reach the 40th Floor boss room.
• Yuna dies in a dungeon on the 40th Floor.
• Nautilus leaves the Knights of the Blood.
• The 40th Floor's boss is defeated.
• End of Hopeful Chant

November

• ALfheim Online (ALO) is created.
• Kirito learns rumors of a rare item drop which can revive dead players from Argo. Kirito starts power leveling even more so than before in order to solo the event.

December

December 24th

• The front line is at the 49^th Floor.

December 25th

• ~00:00 - 03:00 Aincrad Standard Time: Kirito defeats the event boss, Nicholas The Renegade, and receives the rumored revival item, the Divine Stone of Returning Soul, only to be disappointed by its description.
• 07:00 Aincrad Standard Time: Kirito receives a Timer-Activated Message Record Crystal from Sachi.
• End of "Red-Nosed Reindeer"

December 31st

• PoH's gang attacks and kills a small guild, earning them infamy

2024

January

• The 50th Floor's boss is defeated.
• Kirito acquires the Elucidator from a rare drop.
• Suguha joins ALfheim Online.
• Kirito acquires the «Dual Blades» unique skill.

January 1st

• Creation of the Laughing Coffin guild.

February

February 14th

• The Silver Flags guild is attacked by the members of the Titan's Hand guild. 4 members of the guild are killed by the orange guild and only the leader manages to survive.

February 23rd

• The Front Line is at the 55th Floor.
• Beginning of "The Black Swordsman".
• Silica gets lost in the Forest of Wandering after splitting from her party. Her partner Pina dies in battle, but she is saved by Kirito who found her by chance.

February 24th

• Silica and Kirito come to the 47th Floor and acquire the Pneuma Flower.
• The Titan's Hand guild's members are arrested and sent to the prison in the Black Iron Palace.
• Pina is revived.
• End of "The Black Swordsman".

March

• Lisbeth's Smith Shop is opened.

March 6th

• Beginning of Material Edition 1 "The Progressers".
• The 56th Field Boss Strategy Meeting is held.
• Duel between Asuna and Kirito.

March 7th

• The GeoCrawler Field Boss is defeated.
• End of Material Editon 1 "The Progressers.

April

April 22nd

• The Front Line is at the 59^th Floor.
• Volume 8, "A Murder Case in the Area" begins.
• Asuna falls asleep in Danac and Kirito ends up guarding her for most of the day.
• 18:27: Caynz fakes his death.

April 23rd

• Kirito and Asuna meet with Heathcliff in Algade at Algade house.
• ~17:00: Yolko fakes her death.
• After 22:00: Schmitt uses a Teleport Crystal to travel to the 19th Floor to visit Griselda's memorial.
• Schmitt, Yolko, and Caynz are surrounded by three Laughing Coffin members and are saved by Kirito.
• Asuna catches Grimlock as the main culprit. Griselda's murder mystery is solved.
• End of Volume 8, "A Murder Case in the Area".

May

May 11th

• Beginning of Sisters' Prayer.
• Yuuki and Ran meet Merida for the first time.

May 12th

• Yuuki and Ran join the Asuka Empire game.

May 23rd

• Merida visits Yuuki and Ran at the hospital due to their birthday.
• Yuuki challenge Merida to a duel in Asuka Empire. Yuuki wins.
• Merida breaks her Sword Art Online memory card.
• End of Sisters' Prayer.

June

June 24th

• The Front Line is at the 63rd Floor.
• Beginning of "Warmth of the Heart".

June 25th

• Kirito arrives at Lisbeth's shop and requests a custom sword to be made.
• Kirito and Lisbeth fall down into the X'rphan the White Wyrm's lair.

June 26th

• Kirito and Lisbeth acquire the Crystallite Ingot that they were looking for and escape the dragon's lair.
• Kirito acquires the "Dark Repulser" sword.

July

• "7th Floor Once More" takes place.

August

• Agil and Klein's Exciting Meal takes place.
• "7th Floor, for the Third Time" takes place.
• "Sound of Water, Sound of Hammer" takes place.
• The Front Line is at the 70th Floor.
• The location of the Laughing Coffin base is leaked. The clearers form a subjugation party and assault the guild's headquarters. Laughing Coffin is annihilated.

September

• ME4 - "Cold Hand, Warm Heart".

September 23rd

• Beginning of Sword Art Online Material Edition 17 - "The Much-Talked-About Esteemed Sub-leader"

September 30th

• End of Sword Art Online Material Edition 17

October

October 1st

• The Story Pencil Board story takes place.
• Asuna and Lisbeth take a bath together in an open-air bath located outside the AREA, with Kirito guarding the two from monsters.

October 4th

• The boss of the 73rd Floor is defeated, a couple days prior to the events of The Fourteenth Autumn.
• Beginning of "The Fourteenth Autumn"
• Silica and Kirito celebrate Silica's birthday on the 35th Floor. Kirito gives Silica the Ring of Angel's Whisper as a gift, but she never gets the chance to actually use it.
• End of "The Fourteenth Autumn"

October 7th

• Beginning of Volume 3, Prologue.

October 9th

• Front liners actively begin exploring the 74th Floor.
• Volume 1 - Chapter 1.
• Volume 1 - End of Chapter 4.

October 17th

• Kirito kills the Ragout Rabbit.
• Kirito visits Asuna's home on the 61st Floor for the first time and Asuna cooks the Ragout Rabbit's Meat he had acquired.

October 18th

• ~9:10 Aincrad Standard Time: Kuradeel challenges Kirito to a duel.
• 15:00 Kirito and Asuna take a break to eat lunch in the Labyrinth.
• Kirito uses his Dual Blades unique skill in public for the first time.
• The Gleam Eyes is defeated; the 75^th Floor of Aincrad is reached.

October 19th

• Kirito meets Heathcliff and they agree to duel.

October 20th

• Kirito duels with Heathcliff and loses. Kirito joins the Knights of the Blood guild.

October 22nd

• Kirito wears Knights of the Blood's white uniform for the first time.
• Kirito tells Asuna about his past guild, Moonlit Black Cats, and reveals his reason why he refused to form a party or join a guild with anyone since then.
• Argo ends up being trapped in a flying log house after accepting the «Witch of the West and the Three Treasures» quest without bringing Toto with her.

October 23rd

• Volume 1 - Chapters 14-16.
• Kirito meets with Godfree and Kuradeel to train in the 55th Floor Labyrinth.
• Kuradeel kills Godfree during training, and reveals that he is actually a member of Laughing Coffin. Asuna arrives to save Kirito, but as she is about to deal the finishing blow, she has a moment of hesitation which Kuradeel uses to disarm her. Kirito then rushes in and kills Kuradeel.
• Kirito and Asuna request a leave from the Knights of the Blood.
• Chapter 16.5 takes place.
• 21:00 Kirito proposes marriage to Asuna in her house in Selmburg.

October 24th

• "The Day Before" takes place: Kirito, Asuna and Argo take the Witch of the West and the Three Treasures side quest.
• Sword Art Online Material Edition 10 "16.6"/"Sugary Days 1" takes place.
• 17:19 Kirito and Asuna get married.
• Kirito and Asuna move into their new home on the 22nd Floor.

October 25th

• Sword Art Online Material Edition 11 "16.7"/"Sugary Days 2" takes place.
• 12:15 - Kirito and Asuna listen to each other's heartbeats.
• 08:12 - Kirito wakes to Asuna making breakfast.
• Sword Art Online Material Edition 12 "16.8"/"Sugary Days 3" takes place.
• 10:00 - Kirito and Asuna have a bath.
• 16.8.5 takes place.
• Sword Art Online Material Edition 13 "16.9"/"Sugary Days 4" takes place.
• Afternoon - Kirito and Asuna sit out on the deck and nap.
• 14:30 - Kirito and Asuna go to shop for furniture and spot a certian luxurious table.
• 17:19 - Beginning of Sword Art Online Material Edition 14 "Sugary Days 5"
• Night - Asuna sends a message to Argo asking to find Mahokl.

October 26th

• End of Sword Art Online Material Edition 14 "Sugary Days 5"
• Morning - Kirito and Asuna meet Mahokl.
• Sword Art Online Material Edition 15 "Sugary Days 6" takes place.
• Mahokl informs Kirito and Asuna of her newly gained ballista-making composite skill and accepts their commission of a rocking chair.
• 2:00 - Mahokl gifts Asuna and Kirito the table, along with a questionable list of requested materials.
• The last Field Boss of the 75th Floor is defeated.
• Sword Art Online Material Edition 16 "Sugary Days 7" takes place.
• Kirito and Asuna return to the 4th floor and reflect on their past adventures.
• Kirito and Asuna visit Agil and purchase materials requested by Mahokl.
• Beginning of Sword Art Online Material Edition 18 "Sugary Days 8"
• ~18:00 - Upon giving the asked materials, Mahokl gives Kirito and Asuna the custom rocking chair along with the table.
• Back home, Kirito and Asuna speculate about Mahokl's intentions, past, and attachment to Agil.

October 27th

• End of Material Edition 18 "Sugary Days 8"
• Material Edition 19 "Sugary Days 9" takes place.
• 10:00 - Kirito and Asuna meet with Klein.
• After lunch - Asuna and Kirito speculate on Mahokl's intentions and connection to Agil. Kirito gets an idea to find out these answers.
• Material Edition 23 "Sugary Days 10" takes place.
• Using Kirito's idea, Asuna finds a player-made carpentry nail.
• Kirito and Asuna visit Agil in Algade and confirm his identity using the nail.
• Material Edition 24 "Sugary Days 11" takes place.
• Late in the day - Kirito and Asuna leave without receiving answers from Agil about Mahokl and get a meal before returning to their home.
• Evening - Someone steps into Kirito and Asuna's yard.
• Material Edition 25 "Sugary Days 12" takes place.
• Taikoku, member of the "Critlers", challenges Kirito to a duel.
• Material Edition 26 "Sugary Days 13" takes place.
• Kirito agrees to the duel in exchange for a sword and info.
• Kirito wins the duel against Taikoku.
• Beginning of Material Edition 27 "Sugary Days 14" takes place.

October 28th

• 09:00 - End of Material Edition 27 "Sugary Days 14" takes place.
• After breakfast, Kirito and Asuna go to meet Mahokl who is now missing from her shop in Zumfut.
• Kirito and Asuna find Mahokl attempting to use the ballista on the Indolent Treent to attain The Peak of True Criticals.
• Sugary Days Epilogue takes place.
• The Cardinal System reacts to the balista which should not exist and destroys it using the buffed Indolent Treent.
• Kirito hints to Mahokl of the need for the Meditation skill to attain her goal of acquiring the Kaishingeki skill.
• Beginning of ME6 - "Algade Showdown".
• Kirito and Asuna decide to stake out Algade House at 06:00 the following day.

October 29th

• End of ME6 - "Algade Showdown".
• 06:00 Kirito and Asuna stake out Algade House, but to no avail.
• ~12:00 - Kirito and Asuna duel the shopkeep.
• Kirito wins the duel and the identity of the shopkeep is revealed.

October 30th

• Beginning of "Morning Dew Girl".
• Kirito and Asuna encounter Yui in a forest on the 22nd Floor.

October 31st

• Kirito and Asuna travel to the Town of Beginnings with Yui; they encounter Sasha and the orphanage.

November

• Volume 1 - Chapters 17-19.

November 1st

• Kirito and Asuna are approached by Yulier. They enter the dungeon under Black Iron Palace.
• Yui used the «Object Eraser» GM feature to delete the The Fatal Scythe.
• Yui is erased by Cardinal, but Kirito manages to extract her core file and saves it to his NerveGear's local memory.

November 2nd

• Kirito and Asuna leave the Starting City and return to the 22nd Floor.

November 3rd

• Kirito meets Nishida.

November 3rd-November 5th

• "Extraordinary Ordinary Days" begins.

November 6th

• Kirito and Nishida successfully manage to fish The King of Lakes.
• A scout party of 20 people departs for the 75^th Floor boss room. Half of the party is wiped out.

November 7th

• Volume 1 - Chapters 20-24.
• 10:00 Aincrad Standard Time: Kirito and Asuna report at Granzam.
• 13:00 Aincrad Standard time: The raid party departs for the 75th Floor boss room using a Corridor Crystal.^{[citation needed]}
• After 14:00 Aincrad Standard Time: The Skull Reaper is defeated. The group suffered fourteen casualties during the battle.^{[citation needed]}
• Kirito reveals Heathcliff's identity to be Kayaba Akihiko.^{[citation needed]}
• Heathcliff starts to duel Kirito as the final boss of SAO.
  • The alternative universe of Infinity Moment and Hollow Fragment begins.
• Asuna dies in the game.
• Beginning of "The Final Promise".
• 14:55 Aincrad Standard Time: Kirito defeats Heathcliff; Sword Art Online is Cleared.
• ~15:00 Aincrad Standard Time: Around 6,000 remaining players are automatically disconnected, 300 of them (including Asuna) get transported to ALfheim Online instead of returning to the real world.
• End of Warmth of the Heart
• Keiko wakes up in her hospital room.
• Ending of "The Final Promise".
• Kazuto wakes up in his hospital room.
• SAO is Deleted.
• Kayaba Akihiko scans his brain with a modified FullDive machine (a Soul Translator (STL) prototype) and is successful in transferring his scanned consciousness onto the Internet, committing suicide.
• Volume 1 - Chapter 25.
• End of the Aincrad Arc.
• Volume 3 - End of Prologue.

2025

January

• ALO is suspended.^{[citation needed]}

January 19th

• Beginning of Volume 3 - Chapter 1.
• Kazuto visits Asuna at the hospital and meets Sugou Nobuyuki. During their conversation, he finds out about Nobuyuki's plan to get married to Asuna.

January 20th

• Kazuto finds out about ALfheim Online from Andrew and finds out about the picture of Asuna taken at the World Tree.
• End of Volume 3 - Chapter 1.
• Beginning of Volume 3 - Chapter 2.
• Noon - Kirito enters ALO, meets Leafa and helps her defeat several Salamanders. At Swilvane, they decide to meet up the next day for a journey to the World Tree.
• End of Volume 3 - Chapter 2.

January 21st

• Volume 3 - Chapter 3-4.
• Kirito and Leafa depart from Swilvane, and are attacked near the city of Legrue by twelve Salamanders.
• Kirito stops the Salamanders from attacking the Sylph and Cait Sith meeting.

January 22nd

• Beginning of Volume 4 - Chapter 5
• ~02:00 JST: Kirito and Leafa accidentally enter Jötunheimr and encounter a beast-type Evil God, Tonky.
• ~03:00 - 04:00 JST: The "Holy Sword Excalibur" is found.
• ~04:00 JST: Kirito and Leafa arrive at Alne.
• End of Volume 4 - Chapter 5
• Beginning of Volume 4 - Chapter 7
• End of Volume 4 - Chapter 7
• Beginning of Volume 4 - Chapter 8
• After 15:00 JST: Kirito receives an admin card from Asuna and then challenges the Grand Quest on his own for the first time.
• Kirito and Leafa recognize each other's real life identities.
• The "battle" between Kirito and Leafa.
• Kirito reaches top of the World Tree with the help of Leafa, Recon, the Cait Siths, and the Sylphs. At the top of the tree, he meets Asuna and they fight against Oberon.
• Kirito obtains The Seed from Kayaba Akihiko.
• Sugou Nobuyuki attacks Kirigaya Kazuto in the car park outside Asuna's hospital.
• End of Volume 4 - Chapter 8

January 26th

• Material Edition 5 - "Salvia and the MTB" takes place.

February

• The Seed package becomes available to the public for free.

March

• Kayaba Akihiko's hiding location is discovered.
• Kazuto meets Koujiro Rinko after asking her for a meeting to find out more about Akihiko.

April

• SAO Survivor School's first school year begins.
• ALO is re-established under new moderators. The data of all old ALO and SAO players is transferred to New ALO.^{[citation needed]}
• Gun Gale Online (GGO) is created.

April 10th

• Beginning of the "Celeste Fairy".
• Kirito receives a Bianchi bicycle from Suguha.

April 12th

• Main events and ending of The Celeste Fairy

May

May 16th

• Volume 4 - Chapter 9.
• A SAO Survivors Reunion is held in Agil's Cafe.

May 17th

• 00:00 JST: Establishment of New Aincrad inside of New ALO.
• The first 10 Floors of New Aincrad are opened up for conquering (the Floor Bosses need to be defeated again to gain access to the Floors).
• End of the Fairy Dance Arc.

End of May

• Sword Art Online - Girls' Ops Volume 01 takes place. (non-canon)

June

• There is a meeting between Shinkawa Kyouji and Asada Shino.
• Shino joins Gun Gale Online.

June 21st

• Beginning of "The Day After".

June 22nd

• ~16:00 JST: The boss battle of the 8^th Floor of New Aincrad begins.
• ~17:00 JST: The boss raiding party is wiped out.

June 23rd

• The clearers attempt another raid on Wadjet the Flaming Serpent. Before the battle, Kirito changes his hairstyle from his previously spiky hair to his style from the SAO days.
• End of The Day After

July

July 25th

• Sword Art Online Extra Edition takes place.
• Rainbow Bridge Parts 1-3 take place.

July 26th

• Rainbow Bridge Parts 4-5 take place.

August

• The 1st «Bullet of Bullets» is held.^{[citation needed]}
• Kohiruimaki Karen begins playing Gun Gale Online as LLENN.

August 4th

• VRMMO Development Tragedy takes place.

September

• The 11th to 20th Floors of New Aincrad are opened up for conquering.

September 14th

• Sinon acquires her «PGM Ultima Ratio Hecate II».

October

• The 2nd «Bullet of Bullets» is held.

November

• LLENN begins to hunt monsters, and later, players.

November 9th

• Beginning of Volume 5 - Prologue.
• 23:30:02 - 23:30:15 JST: «Death Gun» murders Shigemura Tamotsu (XeXeeD).
• End of Volume 5 - Prologue.

November 14th

• Shigemura Tamotsu's body is found.

November 25th

• 22:10:04 JST: "Death Gun" murders Usujio Tarako.

November 28th

• Usujio Tarako's body is found.

December

• LLENN meets Pitohui.

December 7th

• Volume 5 - Chapters 1
• ~11:00 JST - Kazuto meets up with Kikuoka Seijirou, who asks him to investigate the Death Gun case in Gun Gale Online.
• Volume 5 - Chapters 2
• ~15:00 JST - Kazuto meets Asuna outside the Imperial Palace of SBC Glocken and informs her of him leaving ALO.
• Volume 5 - Chapter 3.
• Sinon, Ginrou, Dyne, and his squadron fight and defeat the enemy team and body Guard Behemoth.
• Volume 5 - Chapters 4
• Endou attempts to extort Asada but is stopped by Shinkawa.
• Volume 5 - Chapters 5

December 13th

• Volume 5 - Chapters 6
• Kirito and Sinon meet, with Kirito deceiving Sinon and acting like a girl.
• The 3rd «Bullet of Bullets» preliminaries are held.
• Kirito meets death gun and has flashbacks.
• Volume 5 - Chapters 7
• Kirito and Sinon duel in the preliminary finals.
• Kirito wins the duel.

December 14th

• Volume 6 - Chapter 7.5
• Volume 6 - Chapters 8
• Volume 6 - Chapters 9
• Kirito asks for an explination of the BOB rules and about any unrecognized participents. Sinon identified three such participants: «Jūshi X» (銃士, Jūshi X»?), «Pale Rider», and «Sterben».
• 20:00 JST: Beginning of the 3rd Bullet of Bullets.
• Volume 6 - Chapter 10
• 20:40-20:44 JST: «Death Gun» murders Pale Rider.
• Kirito and Sinon team up.
• Volume 6 - Chapter 11
• Asuna contacts Kikuoka about Kirito's investigation and the presence of a Laughing Coffin memeber in GGO.
• Volume 6 - Chapter 12
• Kirito and Sinon hunt Death Gun with Sinon being hit with a Stun Bullet and nearly killed with the Type 54.
• Kirito and Sinon escape Death Gun on a buggy and hide in a cave.
• Kirito and Sinon discuss the identity method of Death Gun to kill other players, deducting how their information is stolen and that there are multiple Death Guns.
• Volume 6 - Chapter 13
• Kikuoka logs into ALO and reach's their home in Yggdrasil city.
• Yui explains the situation and Kikuoka confirms.
• Volume 6 - Chapter 14
• Sinon locates and kills Yamikaza.
• Kirito remembers Death Guns former name and epithet, «Red-Eyed XaXa», causing Death Gun to miss his next strike.
• Kirito and Sinon defeat Death Gun.
• Sinon gives Kirito a «Gift Grenade».
• 22:04:37 JST: End of the 3rd Bullet of Bullets.
• Volume 6 - Chapter 15
• It's revealed that two players (Pale Rider and «Garrett») had been disconnected from the system and had been killed by Sterben's accomplices.
• Kyouji seemingly visits Shino to congradulate her on her win.
• Kyouji is revealed to be a Death Gun accomplace and threatens to kill Shino.
• Kazuto saves Shino from Kyouji, nearly being killed by the «Succinylcholine» syringe in the process.
• The Shinkawa Brothers are arrested.

December 15th

• Kanamoto Atsushi escapes arrest.

December 16th

• Volume 6 - Chapter 16.
• 16:00 JST: - Kazuto and Shino meet Kikuoka.
• Shino meets Asuna, Rika, and a victim in the post office's case.
• End of the Phantom Bullet Arc.
• Sinon starts playing ALO.

December 20th

• Information regarding the release of the 21st to 30th floors of New Aincrad into ALO is announced.

December 24th

• 19:00 JST: The 21st Floor of New Aincrad is unlocked.
• The boss of the 21st Floor of New Aincrad is defeated by the 7-member party of Asuna, Kirito, Klein, Agil, Lisbeth, Silica and Leafa, alongside other parties.
• The 22nd Floor of New Aincrad is unlocked.
• Kirito and Asuna leave their previously rented home in Yggdrasil City and reacquire their old log house that they had bought on the 22nd Floor of the original Aincrad.

December 28th

• Volume 8 - "Calibur".
• Klein saves Freyja (Thor).
  • Alternative (non-canon) scenario: Calibur SS
• Kirito acquires the "Holy Sword Excalibur".
• Klein acquires the "Lightning Hammer Mjölnir" and gives it to Lisbeth.

December 31st

• Silica Side Story: "A Spot of Sunshine in the Winter".

2026

• Girls' Ops Stage.011 takes place- (non-canon)

January

• The 23rd, 24th, 25th, 26th and 27th Floors of New Aincrad are unlocked prior to the events of Mother's Rosario.

January 6th

• Beginning of "Mother's Rosario".

January 7th

• Asuna duels with «Absolute Sword» Yuuki.
• Asuna meets the members of the «Sleeping Knights».

January 8th

• The boss of the 27th Floor of New Aincrad is defeated.

January 11th

• Asuna meets Yuuki at the Yokohama North General Hospital.

January 12th

• Yuuki spends the first day at the SAO Survivor School with Asuna.
• Yuuki and Asuna visit Yuuki's old house.
• Asuna shows her mother the forest around her house in New Aincrad and, the next day, she gets permission to continue her studies in the SAO survivor school, under the condition that she keeps her grades up.

January 16th

• Asuna holds a barbecue at her house in the forest, with 30 players participating. The 30 players, having built up enthusiasm over the party, rush up to the 28^th Floor's boss room and defeat the boss.

January 18th

• Beginning of Gun Gale Online Volume 1 - Prologue and SECT.3
• Pitohui tells LLENN about the Squad Jam tournament.
• End of Gun Gale Online Volume 1 - Prologue

January 27th

• LLENN applies for the first Squad Jam tournament.

January 28th

• Deadline for applications for the first Squad Jam.

January 30th

• LLENN meets with Pitohui in GGO. LLENN meets M for the first time.
• End of Gun Gale Online Volume 1 - SECT.3

February

• Asuna and the Sleeping Knights defeat the 29^th Floor Boss of New Aincrad.
• A unified dueling tournament is held in ALfheim Online. Yuuki wins first place, while Kirito comes second.

February 1st

• 14:00 JST: The first Squad Jam starts.
• 15:28 JST: The first Squad Jam ends.

February 8th

• chromatic colors takes place.

February 15th

• Beginning of Gun Gale Online Volume 2 - SECT.1
• The members of SHINC visit Karen's home to rewatch highlights of the Squad Jam tournament.
• End of Gun Gale Online Volume 2 - SECT.1

February 17th

• Beginning of Gun Gale Online Volume 2 - SECT.2
• Karen visits her family in Hokkaido.

February 24th

• Karen meets with Shinohara Miyu for karaoke.

March

• Asuna, Rika, Keiko and Suguha go on a three day and two night trip to the Yuuki family home in Kyoto, with Yuuki and her guild members using the Bidirectional Communication Probe to enjoy the sights as well.
• Clover's Regret Volume 1 takes place.

March 4th

• The second Squad Jam is announced.

March 15th

• Karen returns to Tokyo.
• LLENN purchases a second P90 to replace the original one that she lost during the first Squad Jam.

March 16th

• Karen is approached by Asougi Goushi (M) in the real world.
• End of Gun Gale Online Volume 2 - SECT.2
• Beginning of Gun Gale Online Volume 2 - SECT.3
• Karen is convinced to participate in the second Squad Jam, after being informed about Pitohui's plans to participate in the tournament with her life on the line.
• End of Gun Gale Online Volume 2 - SECT.3
• Beginning of Gun Gale Online Volume 2 - SECT.4
• Karen requests Miyu to participate in the second Squad Jam with her.

March 29th

• Yuuki passes away.

April

• Accel World Volume 10 - "Versus"

April 1st

• The deadline for registrations to the second Squad Jam.

First Saturday of April

• Yuuki's funeral.
• End of "Mother's Rosario".

April 4th

• 13:00 JST: The second Squad Jam starts.
• 13:40~13:49 JST: The Ten-Minute Massacre takes place.
• 14:35 JST: The second Squad Jam ends.

April 19th

• Karen and Miyu meet Goushi and Elsa for a concert.

April 24th

• Beginning of "Ordinal Scale"
• The Kagachi the Samurai Lord battle takes place in Ordinal Scale.

April 29th

• YUNA's live concert at the New National Stadium takes place.
• Shigemura Tetsuhiro attempts to conduct a high-output scan of the SAO survivors' brains at the New National Stadium.
• The An Incarnation of the Radius boss is defeated.
• Kikuoka Seijirou's team apprehends Shigemura Tetsuhiro.

May

• Publication of "Full Records of the SAO Incident".

May 1st

• Nochizawa Eiji surrenders himself to the police at Yoyogi.

May 4th

• Asuna and Kazuto go to Mount Doudaira to watch a meteor shower.
• End of "Ordinal Scale"

May 7th

• Beginning of Cordial Chords
• Kazuto receives a plea for help from YUNA.

May 8th

• Eiji is released from the police due to Fuurinkazan members deciding not to file a report against him.
• Kazuto meets with Eiji and brings him to a family restaurant to enquire about the fate of the SAO server.
• Eiji, Kazuto, and Yui infiltrate Argus's headquarters to access the SAO server.
• YUNA is saved from the brink of collapse by White Yuna with Eiji's help.
• End of Cordial Chords

May 18th

• Material Edition 3 "Ceramic Heart" takes place.

June

• Volume 15 - Chapter 14 takes place.
• Sinon obtains second place in 4th Bullet of Bullets.
• Beginning of the Alicization Arc.

June 6th

• The third Squad Jam is announced.

June 26th-28th

• Volume 9 - Alicization Beginning.
• Kirito dives into the Underworld for 3 days as part of his part-time job.
• Years 361-372 of the Human Empire Calendar pass by.

June 29th

• Kazuto is attacked by Kanamoto Atsushi (Johnny Black).

June 30th

• ~13:45 JST: Kazuto is transported away from Setagaya General Hospital.

July

• Volume 10 - Alicization Running.

July 1st

• Asuna contacts Rinko about Kazuto having disappeared, and Kikuoka's possible involvement.

July 5th

• 12:00 JST: The third Squad Jam starts.
• 12:52 JST: The third Squad Jam's Special Rule takes effect.
• 13:59 JST: The third Squad Jam ends.
• Rinko and Asuna arrive on the «Ocean Turtle»
• Volume 11 - Alicization Turning.

July 6th

• Volume 12 - Alicization Rising.
• Volume 13 - Alicization Dividing.
• 07:15 JST: The destroyer JS Nagato (DD-127) sails away from the Ocean Turtle.
• Volume 14 - Alicization Uniting.
• 14:07 JST: The invasion of the Ocean Turtle begins.
• Kirito's Fluctlight is damaged due to a sudden power cut.
• Chapter 15-17 of Volume 15 - Alicization Invading.
• Chapter 18 Volume 16 - Alicization Exploding.

July 7th

• Chapter 19, parts 6-7 Volume 16 - Alicization Exploding.
• 0:00 JST - The Underworld's Fluctlight Acceleration (FLA) rate is decreased to 1.00 times. Underworld and Real World days now occur at the same pace. Equal to Underworld time HE 380, eighth day of the 11th month, 0:00.
• 3:00 JST: Yui wakes Asada Shino and Kirigaya Suguha to have them contact RATH.
• ~4:20 JST: Yui contacts Klein, Agil, Lisbeth, and Silica to request ALO players for help in the Underworld.
• Volume 17 - Alicization Awakening.
• 5:00 JST: Klein, Agil, Lisbeth, and Silica give their plea to ALO players.
• Chapters 21-23 Volume 18 - Alicization Lasting.

• 10:00 JST: Alice's Light Cube is removed from the Underworld. Current Underworld FLA is set to ~5,000,000 times, referred to as the maximum-acceleration phase.
• ~10:19 JST: The shutdown of STL Units Three and Four, with Kazuto and Asuna inside, is complete. Three minutes later, the acceleration process itself finishes.

July 26th

• Kanzaki Elsa releases her new song, inspired by the third Squad Jam.

July 31st

• 15:07 JST: SHINC's committee to discuss Karen commences.

August

August 1st

• A crablike deep-sea maintenance robot connects a cable leading from the Ocean Turtle to a part of the transpacific optical cable FASTER, and therefore to the Internet.
• 14:00 JST: The press conference revealing Alice and the artificial fluctlights of Project Alicization to the world is held.
• Kazuto and Asuna wake up. Their memories of the maximum-acceleration phase beyond immediately after their return to the Eastern Gate are deleted.

August 16th

• 20:00 JST: Gun Gale Online's special test event with previous Squad Jam participants starts.
• Night: Kazuto finishes his physical therapy and returns home.

August 17th

• Volume 18 - Prologue III Equivalent to October 21st (47 days before December 7th), Stellar Year 582.
• Kirito, Asuna, and Alice return to the Underworld. With the help of Stica and Laurannei, the Abyssal Horror is defeated.
• End of the Alicization Arc.

August 26th

• 12:00 JST: The fourth Squad Jam starts.

August 29th

• "There is But One Ultimate Way" takes place. (non-canon)

September

September 5th

• 12:00 JST: The First Ordeal of the Five Ordeals starts.

September 15th

• Beginning of the Unital Ring Arc.
• 21:44~21:45 JST: A conversation between two unidentified users regarding "Unification" takes place and is logged.

September 19th

• 13:00 JST: The fifth Squad Jam starts.

September 27th

• Volume 21 - Chapter 1
• ~16:50 JST: Players across Gun Gale Online, and presumably many other VR worlds, are teleported to the world of Unital Ring (UR).
• 17:00 JST: After an earthquake-like shaking, hexagonal patterns in an alternating array of Warning and System Announcement appear above ALfheim Online. New Aincrad falls to the surface of the world of Unital Ring.
• 17:05 JST: The game systems of ALfheim Online transform into the game systems of Unital Ring.
• ~18:00 JST: After escaping the town, Sinon decides to rest in the cave within the rocky pillar.
• ~20:30 JST: Kirito and company defeat the Thornspike Cave Bear.
• 21:05 JST: An aurora is displayed in the sky above the world of Unital Ring, with a message encouraging the players to reach its point of origin. The grace period ends.
• ~20:02 JST: Kirito defeats Mocri.
• Well past 22:00 JST: Sinon finds and helps fight the Sterocephalus monster with the Orniths.

September 28th

• Volume 23 - Chapter 2
• Hosaka Carina Tomo (Argo) transfers to the SAO Survivor School.
• 12:45 JST: Volume 21 - Chapter 9

September 29th

• Volume 23 - Chapter 10
• 19:00 JST: Volume 24 - Chapter 3

September 30th

• 17:10 JST: Kirito logs out of the Underworld.
• 19:15 JST: Volume 24 - Chapter 8
• 21:20 JST: Volume 25 - Chapter 2

October 1st

• Volume 25 - Chapter 5

October 2nd

• Volume 25 - Chapter 8

October 3rd

• 07:00 JST: Kirito arrives at Rath's Roppongi office in Minato Ward.
• 09:30 JST: Volume 25 - Chapter 10 Equivalent to December 7th, Stellar Year 582.
• 10:00 JST: A Bashin child is born in Ruis na Rig.
• 16:27 JST: Volume 26 - Chapter 23
• ~17:00 JST: Volume 27 - Chapter 1

End of Year

• The 5th Bullet of Bullets is scheduled for this time of year.

Underworld Timeline

Due to the Fluctlight acceleration function of the Soul Translator, the time in the Underworld passes at a much different rate than in real life (the FLA rate can be set anywhere from 1,000 to 5,000 times the rate of the real world). Therefore, a different calendar, called the Human Era calendar (HE), sometimes translated as the Human Empire calendar, is used for events in the Underworld. This calendar only starts counting the time about 30 years after Quinella created the Axiom Church though, so some events do take place before the HE. In the year 480, the calendar was renamed to the Stellar Era calendar (SE), with years being referred to as Stellar Years. The events in this section occur during accelerated time, including most of the events of the Alicization Arc and the maximum-acceleration phase in which Moon Cradle is set.

70 Before HE

• The Underworld is created.
• 4 Rath employees log in and start raising 2 families of 8 Artificial Fluctlights each.

52 Before HE

• The Artificial Fluctlights reach the age of 18 and start families of their own.
• The 4 Rath employees log out one at a time under the guise of an "epidemic".

17 HE

• Quinella is born.

30 HE

• The Axiom Church is established.

30-97 HE

• Rulid Village is founded.

97 HE

• Quinella discovers the existence of a system command list in the Underworld.
• Quinella increases her System Control Authority to the maximum and becomes the Administrator of the Human Empire.
• Quinella stops the natural degeneration of her maximum Life and greatly increases the value of her maximum Life.
• Quinella accidentally fuses the Cardinal System with her Fluctlight.

97-117 HE

• Quinella experiments with a command that directly manipulates the Fluctlight of an Underworld resident.

117 HE

• Quinella uses the Fluctlight altering command on herself and gets rid of her emotions.

167 HE

• Quinella discovers the Fluctlight memory limit and that she is about to reach it.
• Quinella invites a nun to the top of the Central Cathedral and attempts to take control of her Fluctlight, to create a backup of her memories.
• Cardinal gains control of the nun's body and retreats to the Great Library Room.

167-361 HE

• Quinella turns her research subjects into unconditionally loyal Integrity Knights.
• Cardinal sends out observers to look for collaborators to aid her in fighting against Quinella.

361 HE

• Kirito first logs in into the Underworld.
• Eugeo is born.
• Alice Zuberg is born.

372 HE

7th Month

18th Day of the 7th Month

• Beginning of Volume 9 Prologue I

21st Day of the 7th Month

• Kirito, Eugeo and Alice venture to the cave at the Mountain Range at the Edge.
• Alice touches the soil of the Dark Territory.

22nd Day of the 7th Month

• Deusolbert Synthesis Seven comes to Rulid Village and takes Alice away to the Central Cathedral.
• End of Prologue I

378 HE

3rd Month

19th Day of the 3rd Month

• Beginning of Chapter 1
• Kirito wakes up in the Underworld after being injected with succinylcholine by Kanemoto Atsushi (Johnny Black).
• Kirito meets Eugeo for the first time after awakening in the Underworld.

21st Day of the 3rd Month

• Selka ventures into the cave at the Mountain Range at the Edge and is captured by goblins.
• Kirito and Eugeo catch up to Selka and fight the goblins. Eugeo is severely wounded but is healed with a «Life» transfer command.
• Alice somehow makes an appearance as a spirit and tells Kirito that she is waiting for him and Eugeo at the Central Cathedral.

After the 21st Day

• The Gigas Cedar is chopped down. Eugeo chooses being a Swordsman as his next Sacred Task.
• Kirito chops off the highest branch of the Gigas Cedar.
• Kirito and Eugeo leave for Zakkaria.
• End of Chapter 1

3rd to 8th Month

• Kirito and Eugeo reach Zakkaria and start working for a family of farmers.

8th Month

28th Day of the 8th Month

• Beginning of Chapter 3
• The Zakkaria Sword Arts Tournament takes place.
• Kirito and Eugeo win the Tournament and become guards of Zakkaria.
• End of Chapter 3

379 HE

3rd Month

1st Day of the 3rd Month

• Beginning of Distant Journey
• Eugeo and Kirito arrive at the Bilzen Inn.
• Kirito encounters Kothlin Bilzen's astral form at the inn.

2nd Day of the 3rd Month

• Eugeo and Kirito discover the reason why the Bilzen Inn had been abandoned.
• Eugeo and Kirito clear a hectare of land at the Bilzen Inn to use as a new crop field.
• Eugeo and Kirito encounter Kothlin Bilzen's astral form a second time.

3rd Day of the 3rd Month

• Eugeo and Kirito meet with Kothlin Bilzen in the flesh with her father.
• Eugeo and Kirito finish cultivating the new crop field at the Bilzen Inn.
• End of Distant Journey

Between the 3rd and 7th Day of the 3rd Month

• Eugeo and Kirito reach Centoria.

7th Day of the 3rd Month

• Eugeo and Kirito visit Sadore's shop and give him the branch of the Gigas Cedar to fashion into a weapon.

4th Month

• Kirito and Eugeo successfully pass the Entrance Exams to the North Centoria Imperial Sword Mastery Academy as the 7th and 8th top ranked among all the new students, which means that they are given the privilege of becoming valets.

380 HE

3rd Month

6th Day of the 3rd Month

• Beginning of Chapter 4
• Kirito promises to show his Aincrad-style sword skills to his mentor, Sortiliena, as a graduation gift to her.

7th Day of the 3rd Month

• Kirito and Eugeo visit Sadore and claim the sword that he crafted over a year's time.
• Kirito stains Volo's uniform while practicing his Sword Skills and is then ordered to spar with Volo as punishment for this insult.
• Kirito spars with Volo. Although Kirito manages hold out against Volo and is even on the verge of winning, the match is halted by Azurica and claimed as a draw.
• A celebration of the match is held in Sortiliena's room.

8th Day of the 3rd Month

• Sortiliena defeats Volo during the final graduations selection battle and graduates as the top ranked student of the North Centoria Imperial Sword Mastery Academy that year.

Last third of the 3rd Month

• Sortiliena Serlut and Volo Levantein are defeated in the Empire Swordsmanship tournament by Eldrie Woolsburg. Eldrie becomes a representative of the Norlangarth North Empire in the Four Empires Unity Tournament.
• End of Chapter 4
• Kirito and Eugeo are placed in 5th and 6th place during the promotion examination at the end of the year and become elite swordsmen-in-training.

4th Month

• A new school year at the Sword Mastery Academy begins.
• Kirito and Eugeo are assigned valets of their own, Ronye and Tiese.

5th Month

17th Day of the 5th Month

• Interlude III takes place.
• Beginning of Chapter 5
• Eugeo spars with Humbert. The match is declared a draw.

20th Day of the 5th Month

• Eugeo and Kirito go on a picnic with their valets, Tiese and Ronye.
• Eugeo and Kirito confront Humbert for mistreating his valet, Frenica.

22nd Day of the 5th Month

• Tiese and Ronye confront Humbert and Raios and "insult" them.
• Humbert and Raios attempt to "punish" the girls.
• Eugeo breaks the «Seal of his right eye» and attacks Humbert, cutting off his arm.
• Kirito attacks Raios to protect Eugeo. Both of Raios' hands are cut off with «Whirl Current».
• Raios dies due to his Fluctlight breaking down.

23rd Day of the 5th Month

• ~09:00: Eugeo and Kirito are arrested by Alice Synthesis Thirty.
• End of Chapter 5
• ~12:00: Kirito and Eugeo are thrown into the Central Cathedral prison.

24th Day of the 5th Month

• Beginning of Chapter 6
• ~03:00: Kirito and Eugeo escape from the Central Cathedral prison.
• The two encounter Integrity Knight Eldrie Synthesis Thirty-one and battle with him. The battle is interrupted after the two boys start reminding Eldrie of his past life and Deusolbert Synthesis Seven interferes.
• ~06:00: Cardinal rescues the boys by leading them to the Great Library Room.
• End of Chapter 6
• Beginning of Chapter 7
• ~09:00: Kirito and Eugeo leave the Great Library Room and arrive on the 3rd floor of the Central Cathedral.
• End of Chapter 7
• Beginning of Chapter 8
• Kirito and Eugeo defeat Deusolbert Synthesis Seven.
• ~11:00-12:00: Kirito and Eugeo meet Fizel and Linel, who attempt to paralyze the intruders with poison.
• Kirito and Eugeo defeat Fanatio Synthesis Two, as well as her 4 accompanying Knights, in battle. Fanatio is mortally wounded and Kirito uses one of Cardinal's daggers to have Cardinal save the dying Knight.
• Kirito and Eugeo encounter Alice Synthesis Thirty on the 80th floor of the Central Cathedral. During the battle, Kirito and Alice fall out of the Cathedral after accidentally breaking its wall during their battle.
• End of Chapter 8
• Beginning of Chapter 9 and 10
• ~15:00 Kirito manages to stop his and Alice's descent by stabbing his sword into a gap in the wall. They soon start ascending the cathedral using pitons generated via Sacred Arts and ascend to where the 85th floor is located by nightfall.
• Kirito and Alice encounter gargoyle minions guarding the walls of the cathedral and, after defeating them, take shelter on a gargoyle terrace.
• End of Chapter 9
• Eugeo fights with Bercouli Synthesis One. At the end of the battle, Eugeo uses Memory Release on his sword, freezing Bercouli in place.
• Chief Elder Chudelkin casts a Sacred Art that Deep Freezes Bercouli. Chudelkin then seizes Eugeo.
• End of Chapter 10
• Beginning of Chapter 11
• 20:00-21:00: Alice overcomes her «Seal of the Right Eye».

25th Day of the 5th Month

• Just after 00:00: Eugeo is tempted by Quinella and removes the "Core Protection" on his fluctlight.
• End of Chapter 11
• Beginning of Chapter 12
• Around 02:00: Kirito fights with Integrity Knight Eugeo Synthesis Thirty-Two.
• Eugeo regains partial self control.
• End of Chapter 12
• Beginning of Chapter 13
• Kirito nearly kills Chudelkin.
• The Sword Golem is formed.
• Charlotte dies.
• Cardinal arrives to Quinella's room.
• Eugeo, along with Alice's memory fragment, is turned into a sword.
• Cardinal dies.
• Eugeo-Sword is broken.
• Kirito dual wields against Quinella.
• A terminal that connects to the real world is revealed.
• Chudelkin is burnt.
• Quinella's soul vanishes.
• Kirito remembers a locked memory fragment.
• Eugeo names Kirito's black sword the Night Sky Sword.
• The LightCube storing Eugeo's Fluctlight and another storing the memory fragment of Alice are formatted.
• Kirito contacts the real world via the terminal, temporarily setting the Fluctlight Acceleration (FLA) rate to 1.0.
• Seijirou asks Kirito to bring Alice to the World End Altar.
• Kirito's Fluctlight is damaged.
• End of Chapter 13

10th Month

• Beginning of Volume 15 Chapter 15.

22nd Day of the 10th Month

• An army from the Dark Territory attacks Rulid Village.

31st Day of the 10th Month

• Alice leaves for the Great East Gate.
• End of Volume 15 Chapter 15

11th Month

• Beginning of Volume 15 Chapter 17.

2nd Day of the 11th Month

• Alice arrives at the camp of the Human Empire Defense Army.

3rd Day of the 11th Month

• Vixur Ul Shasta dies, killing Fu Za, Hagashi, and Kubiri in the process. Vecta survives Vixur's attack without a scratch.

7th Day of the 11th Month

• The army of the Dark Territory arrives at the base of a mountain overlooking the Great East Gate.
• End of Volume 15 Chapter 17
• Beginning of Volume 16 Chapter 18.
• Sunset: Collapse of the Eastern Gate.

12th Month

• The Human Unification Council convenes.

381 HE

2nd Month

30th Day of the 2nd Month

• The Rebellion of the Four Empires occurs, with the Human Guardian Army fighting the Imperial Guard of the four empires of the cardinal directions of Centoria. The four emperors are killed.

382 HE

2nd Month

17th Day of the 2nd Month

• Beginning of "Moon Cradle".
• Kirito's public demonstration/test of Dragoncraft Prototype Unit One.
• Kirito nearly damages the Central Cathedral for the second time.

18th Day of the 2nd Month

• ~11:30: Oroi, a mountain goblin, is arrested on suspicion of murdering Yazen, a citizen of Centoria.

19th Day of the 2nd Month

• 05:00: Kirito and Ronye depart the Central Cathedral in Dragoncraft Unit Two for Obsidia.
• After 22:00: Kirito and Ronye arrive in Obsidia's castle town.

20th Day of the 2nd Month

• Volume 19, Chapter 7
• 08:00: Kirito and Ronye wake up in the inn.

21st Day of the 2nd Month

• Between 02:00 and 03:00: Ronie is awoken by an invasion of minions.
• 04:00: End of Volume 19, Chapter 8.
• Leazetta is rescued from the man in black.
• 16:00: Volume 19, Chapter 10
• 20:00: Kirito and Ronye leave Obsidia Palace toward the dragoncraft, and from there back to the west.

23rd Day of the 2nd Month

• ~05:00: Start of Volume 20, Chapter 1.

24th Day of the 2nd Month

• Volume 20, Chapter 6
• 14:10: Ronye, Tiese, Tsukigake, and Shimosaki arrive at the former emperor's villa.

27th Day of the 2nd Month

• Volume 20, Chapter 10

28th Day of the 2nd Month

• Morning: Oroi and the other three mountain goblins leave Centoria.

Early 3rd Month

• Tiese and Ronye are officially promoted from apprentice knights to lower Integrity Knights.

480 HE/SE

• The Human Unification Council is renamed the Stellar Unification Council.
• The end of the Human Era calendar, renamed the Stellar Era calendar.

550 SE

• Kirito and Asuna vanish after being engulfed in light.

582 SE

10th Month

• Approximate end of the maximum-acceleration phase.