The official timeline for Date A Live along the course of the story. No year has been stated for DAL. However, various dates have been provided throughout the course of the story.
April
10th
- Shido Itsuka meets the Spirit, <Princess>, for the first time.
- Shido learns about the organization called Ratatoskr and meets a few of its personnel, including Reine Murasame and Kyouhei Kannazuki.
- He also learns that his little sister, Kotori Itsuka, is the commander of the airship <Fraxinus>.
11th
- Shido begins his dating sim training under Kotori's instructions.
19th
- Shido meets <Princess> for the second time and gives her the name "Tohka".
20th
- Shido goes on his first date with Tohka.
- Origami accidentally snipes Shido while targeting Tohka
- Tohka bursts out in rage and attacks everything in sight.
- Shido is revived by a mysterious flame.
- Seeing Shido revived, Tohka calms down.
- Shido seal Tohka's powers with a kiss.
May
- Shido meets with Yoshino for the first time.
- Shido meets with Yoshino for the second time.
- Shido and Yoshino accidentally kisses.
- Yoshino is attacked by AST, and loses her hand doll Yoshinon.
13th
- Tohka has a discussion with Reine about her feelings about Shido.
- Shido meets Yoshino for the third time. She explains to him her ideal hero in Yoshinon.
- Shido successfully seals Yoshino.
- Mana transfers into the AST.
15th
- The construction of the Spirit mansion is finished.
June
5th
- Kurumi Tokisaki transfers into Shido's class.
- After the school, Kurumi kills three men in an alley.
- Mana Takamiya appears at the scene, and kills Kurumi.
6th
22nd
- Shido goes on a date with Kotori to Ocean Park in order to seal her powers.
- Origami attacks them while equipped with the <White Licorice>.
July
5th
- Mana wakes up from her coma.
17th
- Shido's class arrive at Arubi Island for their school trip after having their destination changed by DEM.
- Shido meets the twin Spirits, Kaguya and Yuzuru.
- The twins decided that their 100th competition would be a test to see who can seduce Shido first. The winner will become the real Yamai and the loser will be eliminated.
18th
September
- Shido's class begins preparation for the Tenou festival.
- Shido meets the Spirit <Diva> for the first time.
- Shido approaches <Diva>, but was harshly rejected.
- In attempt to approach Miku who is revealed to hate men, Shido was forced to crossdress into his female persona "Shiori".
23rd
- The Tenou Festival's first day beings
- Rindouji Private High and Raizen high, among the participating schools, compete on Stage Performance.
- Rindouji is announced to be the Stage Performance winner, but the overall score champion is Raizen High.
- Miku uses her angel, <Gabriel>'s ability to control mass crowd of people. Including Yoshino and the Yamai sisters.
- Miku discovers the true gender of "Shiori".
24th
Before dawn
- Mana kills Jessica.
- Shido is fatally injured by Ellen.
- Seeing Shido dying, Tohka inverses.
- Miku exhausts, and everyone she has controlled gets freed.
- Shido recovers due to <Camael>'s ability, and joins the spirits against "Tohka".
- Shido kisses "Tohka", returning her to normal.
Daytime
- Due to the severe damage from the past events, the second day of the Tenou Festival was cancelled.
25th
- After discussion, the third day of the festival is held rather than being cancelled.
October
Sunday 15th
- Shido meets <Witch> the Spirit for the first time.
- <Witch> introduces her name Natsumi to Shido.
- AST attacks Natsumi, but she fends them off.
- While fighting AST, Natsumi accidentally reveals her "secret" to Shido, unbeknownst to the latter.
- Angered, Natsumi threatens Shido and flees.
Monday 16th
- "Shido" sexually harasses his classmates Tohka, Ai, Mai, Mii, the Yamai Sisters, and his teacher Tamae.
- At noon, Shido arrives at the school.
- Shido spots "Shido", and chased his doppelganger up to the rooftop.
- Tohka and Origami arrive at the rooftop, and deduce the real Shido out of the fake.
- The fake Shido is revealed to be Natsumi, who threatens the real Shido even further.
Between 16th and 21st
- Roger Murdoch purposes to demote Wescott from his position in the DEM.
- All supporters of the proposal raise their arms, which are cut off by Ellen.