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The Anime Timeline attempts to reconcile the strange time set-up by the anime adaptation of the Toaru Majutsu no Index universe. Having events widely different from the novels, the anime exists as its own universe separate from the novels and manga, though that doesn't mean elements and characters cannot be reused in their parent mediums, as Toaru Majutsu no Index universe is extremely dynamic to changes. Different from the Unified Story Timeline, the complete Anime Timeline does not list dates unless specifically stated in the show itself. Past events are mentioned only in the episode they appear in and will not have its own section if the date is listed. Because of this, some events, especially those that are outside of the episode order, are simply conjectures on which position of the timeline they are. Audio dramas and videogames are not included, but the Toaru Majutsu to Kagaku no Ensemble which is connected with the animated universe, specifically that of the Toaru Majutsu no Index Movie is included, as its place and canonicity in the universe is concretely given.

This timeline can also be viewed as a guide on how to view the anime adaptation in a chronological manner.

Level Upper ArcEdit

Main article: Level Upper Arc
  • Railgun Episode 1Electromaster
    • Events occur only in one day.
  • Railgun Episode 2You Need to Stay Hydrated If You Work Under the Sun
    • An entire week has passed since the events of episode 1.
    • An entire month has passed since Shirai Kuroko and Misaka Mikoto met.
    • Events occur in two days.
  • Railgun Episode 3Tokiwadai Under Fire
  • Railgun Episode 4Urban Legends
    • Events seem to occur in two days
    • At least a week has passed since the previous episode.
  • Railgun Episode 5A Certain Two Beginner's Training
    • Flashback episode. Frame story seem to occur only in a single episode.
    • A year has passed back in autumn when Kuroko and Kazari met.
  • Railgun Episode 6Everyone's concerned when it comes to these kind of things, you know
    • Main episode content seem to occur in the span of a single day.
  • Railgun Episode 7Abilities and Power
    • Events seem to jump in one point in time to another.
  • Railgun Episode 8Level Upper
    • Most of the story occurs in the same day. Epilogue occurs the next day.
    • Academy City experiences its first apparent power outage during the summer.
  • Railgun Episode 9Majority Report
    • Events occur in two days.
  • Railgun Episode 10Silent Majority
    • Seems to occur in two days. The first day has Saten Ruiko and friends experiment with their powers, while in the meantime, Kuroko hunts down Level Upper user-related incidents. The second day has Ruiko lose consciousness. Moreover, all non-flashback related events occur in that second day.
  • Railgun Episode 11Ms. Kiyama
  • Railgun Episode 12AIM Burst
  • Railgun Episode 13I understand that bikinis make eyes wander, but one-pieces bring out curves so they match thin bodies better
  • Railgun Episode 14Special Training Course
    • A holiday. Events occur in only a single day.

Toaru Kagaku no Railgun OVAEdit

  • Railgun OVA 1Because Misaka-san is Now the Center of Attention
    • Spans an unknown number of days.

Index ArcEdit

Main article: Index Arc
  • Index Episode 1Academy City
    • Events occur in two days. Beginning with Touma meeting Mikoto in A Certain Iron Railway Bridge, and the 2nd power outage Academy City experiences in the summer. Second is the start of summer break, and Touma meets Index.
    • Touma states that the 2nd day is July 19
  • Index Episode 2Innocentius
    • Events in the night occur during the second day of last episode.
  • Index Episode 3Necessarius
    • Continues events from the second day of the first episode. A new day begins after Index is healed.
  • Index Episode 4Perfect Memorization
    • Day continues from the previous episode.
    • After Touma wakes up from being beaten by Kanzaki Kaori, three days have passed.
  • Index Episode 5Limit
    • Events continue from the current day of episode 4.
  • Index Episode 6Imagine Breaker
    • Most of the events continue from the day of the previous episode, and ends the very next day.
    • An unknown number of days have passed when Stiyl Magnus visits Aleister Crowley.

Big Spider ArcEdit

  • Railgun Episode 15Skill-Out
    • Events occur in three days.
  • Railgun Episode 16Academy City
    • Day continues from the last day of the previous episode. According to Kurozuma Wataru, it has been half a year since his release.
    • Second day has the gang visit Konori Mii's dormitory. Mii relates on how it was two years ago when he was presumably killed in a gang war.
    • Third day has Anti-Skill weed out the Skill-Out problem in the Strange, and Kurozuma Wataru and Hebitani Tsuguo is arrested.

Deep Blood ArcEdit

Main article: Deep Blood Arc
  • Index Episode 7Cult of Science
    • Occurs two weeks since the end of the Index Arc.
    • Only one day has passed from this episode until the end of episode 9.
  • Index Episode 8Ars Magna
  • Index Episode 9Deep Blood
    • Day continues from episode 7. Touma receives the report from Stiyl the next day.
    • Himegami Aisa receives the Walking Church cross necklace to seal her powers, most likely during the day of her visit to Touma's room.

Poltergeist ArcEdit

Main article: Poltergeist Arc
  • Railgun Episode 17Spelling the Summer Holidays
    • Events occur in a span of five days.
    • Fourth day indicates that this story coincides with Toaru Majutsu no Index Episode 07 with Himegami Aisa attempting to order "all" the hamburgers.
    • Fourth day confirms the passing of the Deep Blood Arc with Himegami Aisa wearing the Walking Church.
  • Railgun Episode 18Cypress Park
    • Prologue occurs during the night, one day,
    • Most of the main story most likely occur in three days.
  • Railgun Episode 19Midsummer Fesitval
    • Occurs in only one day.
    • Confirms the passing of the Index Arc with Touma unable to recognize Mikoto and the second appearance of Index since episode 17.
  • Railgun Episode 20Poltergeist
    • Prologue occurs during the night, and transitions to Kazari and her teacher's meeting the next day.
    • The next day, Haruue Erii arrives and moves into the Uiharu Residence, and Kuroko and Kazari goes to a conference regarding Poltergeist. Later that night, they go to the festival.
  • Railgun Episode 21Voice
    • Starting off from the festival last episode, two days pass by during this episode.
  • Railgun Episode 22The one who Arrives at the Meaning of God while in the Body of a Mortal
    • Starting off from the last day from the previous episode, two days pass by during this episode.
  • Railgun Episode 23Right now, what do you see
    • Events of this episode, and most of the next episode occur in only one day.
  • Railgun Episode 24Dear my Friends
    • Continuing the day from the last episode, most of the episodes events occur in only one day.
    • An unknown number of days have passed from the main story to the epilogue.
    • August 9 is date of the epilogue.

August story arcsEdit

Sisters ArcEdit

Main article: Sisters Arc
Sisters Arc
An Unknown number of days have passed since August 10.
Toaru Majutsu no Index Number of days since previous episode Number of days in episode Established date Number of days in episode Number of days since previous episode Toaru Kagaku no Railgun
2 Railgun S Episode 1Railgun
1 No days were skipped. Railgun S Episode 2Critical
Railgun S Episode 3Radio Noise Project
Second half of episode 4 is August 15.

Latter half of episode 6 is August 16.

2 days starting from the second half of episode 4. Unknown

Flashbacks were three months ago

Railgun S Episode 4Sisters
No days were skipped. Railgun S Episode 5Level 6 Shift Project
Railgun S Episode 6I...Can See Everything
4 Railgun S Episode 7I Want to Help Onee-sama

August 18-22

August 18-Railgun S Episode 08, cold opening.

August 21-Railgun S Episode 10, latter half.

August 22-Index Episode 14 and Railgun S Episode 16 , latter half.

5 No days were skipped. Railgun S Episode 8ITEM
Railgun S Episode 9AIM Stalker
Start of Toaru Majutsu no Index Sisters Arc timeline
Index Episode 10Misaka Mikoto 3 Railgun S Episode 10Meltdowner
Railgun S Episode 11Vending Machine
Railgun S Episode 12Tree Diagram
Index Episode 11Sisters No days were skipped. Railgun S Episode 13Accelerator
Index Episode 12Level 6 Railgun S Episode 14Promise
Index Episode 13Accelerator Railgun S Episode 15Kamijou Touma
Index Episode 14Strongest vs. Weakest Railgun S Episode 16Siblings


Silent Party Arc and Angel Fall ArcEdit

Main article: Silent Party Arc
Main article: Angel Fall Arc
Silent Party Arc and Angel Fall Arc
Toaru Majutsu no Index Number of days since previous episode Number of days in episode Established date Number of days in episode Number of days since previous episode Toaru Kagaku no Railgun

August 24-30 August 28-Index Episode 15, coinciding with Railgun S Episode 22 August 30-Index Episode 17 Epilogue occurs

7 2 Railgun S Episode 17Study Session
No days were skipped. Railgun S Episode 18Moving
Railgun S Episode 19Academy City Research Exhibition Assembly
Railgun S Episode 20Febrie
Start of Toaru Majutsu no Index Angel Fall Arc timeline
Index Episode 15Angel Fall Apparently 6 days have passed since the previous episode 4 Railgun S Episode 21Darkness
Index Episode 16Kamijou Touya No days were skipped. Railgun S Episode 22STUDY
Index Episode 17Power of God Railgun S Episode 23Silent Party
Railgun S Episode 24Eternal party
Other than the epilogue of the final episode of the Silent Party arc, which occur sometime in September 2, the entire arc occurs in a span of 7 days. As for the Angel Fall Arc, the actual events of the arc not including the flashbacks or references to events before the beginning of the first episode of the arc occur in under four days.


Three Stories ArcEdit

Main article: Three Stories Arc

Kazakiri Hyouka ArcEdit

Main article: Kazakiri Hyouka Arc


Necromancer ArcEdit

Main article: Necromancer Arc


Orsola Aquinas Rescue ArcEdit

Main article: Orsola Aquinas Rescue Arc

Toaru Majutsu to Kagaku no EnsembleEdit

Tree Diagram Remnant ArcEdit

Main article: Tree Diagram Remnant Arc
  • All of the events of the arc occur in only a single day. The epilogue with Touma in the hospital occurs the next day.
  • Index II Episode 6Remnant
  • Index II Episode 7Move Point

Toaru Majutsu no Index MovieEdit

Daihasei Festival ArcEdit

Main article: Daihasei Festival Arc (Index)
Main article: Daihasei Festival Arc (Railgun)

La Regina del Mare Adriatico ArcEdit

Main article: La Regina del Mare Adriatico Arc
  • Prologue of the arc occurs on the last day of Daihaseisai, September 25. The rest of the arc occurs in the span of a single day, probably in a later date.
  • Index II Episode 14City of Water
  • Index II Episode 15The Queen's Fleet
  • Index II Episode 16Rosary of the Appointed Time

Academy City Invasion ArcEdit

Main article: Academy City Invasion Arc

Skill-Out UprisingEdit

Main article: Skill-Out Uprising
  • Index II Episode 23Before the Outbreak of War
    • Starts during the scene with Touma's school. From that point all events afterwards including the next episode occurs in a single day.
  • Index II Episode 24Skill-Out

Document of Constantine ArcEdit

Main article: Document of Constantine Arc

Battle Royale ArcEdit

Main article: Battle Royale Arc

Acqua of the Back ArcEdit

Main article: Acqua of the Back Arc

British Royal Family ArcEdit

Main article: British Royal Family Arc

DRAGON ArcEdit

Main article: DRAGON Arc

World War III ArcEdit

Main article: World War III Arc
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