Anime Timeline

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 Arc

 * Toaru Kagaku no Railgun Episode 01–Electromaster
 * Events occur only in one day.
 * Toaru Kagaku no Railgun Episode 02–You 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.
 * Toaru Kagaku no Railgun Episode 03–Tokiwadai Under Fire
 * Toaru Kagaku no Railgun Episode 04–Urban Legends
 * Events seem to occur in two days
 * At least a week has passed since the previous episode.
 * Toaru Kagaku no Railgun Episode 05–A 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.
 * Toaru Kagaku no Railgun Episode 06–Everyone'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.
 * Toaru Kagaku no Railgun Episode 07–Abilities and Power
 * Events seem to jump in one point in time to another.
 * Toaru Kagaku no Railgun Episode 08–Level 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.
 * Toaru Kagaku no Railgun Episode 09–Majority Report
 * Events occur in two days.
 * Toaru Kagaku no Railgun Episode 10–Silent 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.
 * Toaru Kagaku no Railgun Episode 11–Ms. Kiyama
 * Toaru Kagaku no Railgun Episode 12–AIM Burst
 * Toaru Kagaku no Railgun Episode 13–I understand that bikinis make eyes wander, but one-pieces bring out curves so they match thin bodies better
 * Seem to occur in a single day.
 * Events of Toaru Kagaku no Railgun Episode 13' seem to occur during this episode.
 * Kamijou Touma still retains his memory of Misaka Mikoto.
 * Toaru Kagaku no Railgun Episode 14–Special Training Course
 * A holiday. Events occur in only a single day.

Toaru Kagaku no Railgun OVA

 * Toaru Kagaku no Railgun OVA 01–Because Misaka-san is Now the Center of Attention
 * Spans an unknown number of days.

Index Arc

 * Toaru Majutsu no Index Episode 01–Academy 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
 * Toaru Majutsu no Index Episode 02–Innocentius
 * Events in the night occur during the second day of last episode.
 * Toaru Majutsu no Index Episode 03–Necessarius
 * Continues events from the second day of the first episode. A new day begins after Index is healed.
 * Toaru Majutsu no Index Episode 04–Perfect Memorization
 * Day continues from the previous episode.
 * After Touma wakes up from being beaten by Kanzaki Kaori, three days have passed.
 * Toaru Majutsu no Index Episode 05–Limit
 * Events continue from the current day of episode 4.
 * Toaru Majutsu no Index Episode 06–Imagine 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 Arc

 * Toaru Kagaku no Railgun Episode 15–Skill-Out
 * Events occur in three days.
 * Toaru Kagaku no Railgun Episode 16–Academy 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 Arc

 * Toaru Majutsu no Index Episode 07–Cult 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.
 * Toaru Majutsu no Index Episode 08–Ars Magna
 * Toaru Majutsu no Index Episode 09–Deep 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 Arc

 * Toaru Kagaku no Railgun Episode 17–Spelling the Summer Holidays
 * Events occur in a span of five days.
 * Fourth day confirms the passing of the Deep Blood Arc with Himegami Aisa wearing the Walking Church.
 * Toaru Kagaku no Railgun Episode 18–Cypress Park
 * Prologue occurs during the night, one day,
 * Most of the main story most likely occur in three days.
 * Toaru Kagaku no Railgun Episode 19–Midsummer 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.
 * Toaru Kagaku no Railgun Episode 20–Poltergeist
 * 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.
 * Toaru Kagaku no Railgun Episode 21–Voice
 * Starting off from the festival last episode, two days pass by during this episode.
 * Toaru Kagaku no Railgun Episode 22–The 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.
 * Toaru Kagaku no Railgun Episode 23–Right now, what do you see
 * Events of this episode, and most of the next episode occur in only one day.
 * Toaru Kagaku no Railgun Episode 24–Dear 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.

Sisters Arc
 Sisters Arc
 * An Unknown number of days have passed since August 10.

Silent Party Arc and Angel Fall Arc
 Silent Party Arc and Angel Fall Arc
 * 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 Arc

 * All episodes occur in a single day.
 * Toaru Majutsu no Index Episode 18–Replica
 * Toaru Majutsu no Index II Episode 01–The Last Day
 * The epilogue of Kanzaki Kaori attacking the Knights of England seem to occur in a different time.
 * Toaru Majutsu no Index Episode 19–Last Order
 * Toaru Majutsu no Index Episode 20–Virus Code

Kazakiri Hyouka Arc

 * All episodes occur in a single day, September 1.
 * Toaru Majutsu no Index Episode 21–Counter Stop
 * Toaru Majutsu no Index Episode 22–Golem
 * Toaru Majutsu no Index Episode 23–Friend
 * Toaru Majutsu no Index Episode 24–Sector i: Five Elements Institution

Orsola Aquinas Rescue Arc

 * All of the events of the arc barring the prologue, occurs in only a single day. The epilogue with Touma in the hospital occurs the next day.
 * Toaru Majutsu no Index II Episode 02–Book of the Law
 * Toaru Majutsu no Index II Episode 03–Amakusa Style
 * Toaru Majutsu no Index II Episode 04–Sheol Fear
 * Toaru Majutsu no Index II Episode 05–Lotus Wand

Toaru Majutsu to Kagaku no Ensemble

 * Toaru Majutsu to Kagaku no Ensemble
 * Storyline of the videogame occurs from September 10 to 12.

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.
 * Toaru Majutsu no Index II Episode 06–Remnant
 * Toaru Majutsu no Index II Episode 07–Move Point

Toaru Majutsu no Index Movie

 * Toaru Majutsu no Index Movie–Miracle of Endymion
 * Barring the epilogue, the events in the movie occur in a period of 6 days.

Daihasei Festival Arc

 * All events of the arc occurs in a single day of September 19, barring the epilogue with Himegami Aisa, the date of which is unknown, though still occurs during the festival.
 * Toaru Majutsu no Index II Episode 08–Daihasei Festival
 * Toaru Majutsu no Index II Episode 09–Route Disturb
 * Toaru Majutsu no Index II Episode 10–Shorthand
 * Toaru Majutsu no Index II Episode 11–Stab Sword
 * Toaru Majutsu no Index II Episode 12–Belvedere
 * Toaru Majutsu no Index II Episode 13–Croce di Pietro

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.
 * Toaru Majutsu no Index II Episode 14–City of Water
 * Toaru Majutsu no Index II Episode 15–The Queen's Fleet
 * Toaru Majutsu no Index II Episode 16–Rosary of the Appointed Time

Academy City Invasion Arc

 * The entirety of the arc occurs in the span of a single day, September 30.
 * Toaru Majutsu no Index II Episode 17–Penalty Game
 * Toaru Majutsu no Index II Episode 18–Serial Number
 * Toaru Majutsu no Index II Episode 19–Researcher
 * Toaru Majutsu no Index II Episode 20–Hound Dog
 * Toaru Majutsu no Index II Episode 21–Testament
 * Toaru Majutsu no Index II Episode 22–Divine Punishment
 * Toaru Majutsu no Index II Episode 23–Before the Outbreak of War
 * Only the scenes before Touma goes to school are included for this episode, as the rest of the episode occurs in a later date.

Skill-Out Uprising

 * Toaru Majutsu no Index II Episode 23–Before 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.
 * Toaru Majutsu no Index II Episode 24–Skill-Out

Document of Constantine Arc

 * The entirety of the arc occurs in the span of a single day in the first week of October.
 * Toaru Majutsu no Index III Episode 01–Chaos
 * Toaru Majutsu no Index III Episode 02–God's Right Seat
 * Toaru Majutsu no Index III Episode 03–C-Document

Battle Royale Arc

 * The entirety of the arc occurs in the span of a single day, October 9.
 * Toaru Majutsu no Index III Episode 04-The Dark Side of Academy City
 * Toaru Majutsu no Index III Episode 05-Dark Matter
 * Toaru Majutsu no Index III Episode 06-Person with Super Powers

Acqua of the Back Arc

 * The entirety of the arc occurs in the span of a single day, mid-October.
 * Toaru Majutsu no Index III Episode 07-The Third Level
 * Toaru Majutsu no Index III Episode 08-Saint Destroyer
 * Toaru Majutsu no Index III Episode 09-Divine Mother Worship

British Royal Family Arc

 * Toaru Majutsu no Index III Episode 10-Sky Bus 365
 * Toaru Majutsu no Index III Episode 11-British Labyrinth
 * Toaru Majutsu no Index III Episode 12-Mercenary
 * Toaru Majutsu no Index III Episode 13-Curtana Original
 * Toaru Majutsu no Index III Episode 14-Heroes

DRAGON Arc

 * Toaru Majutsu no Index III Episode 15-Spark Signal
 * Toaru Majutsu no Index III Episode 16-Board of Directors