Timeline of Events

This page is meant to catalog all major events in the One-Punch Man universe in chronological order.

For a timeline of Webcomic events, please refer to Timeline of Events (webcomic).

Trivia

 * It's mentioned by Bofoi that after registering as a hero, Saitama rose from C-Class to B-Class within 22 days, and 41 days after, he advanced to A-Class.
 * During his second spar with his Saitama, Genos mentions that it has been over two months since he became Saitama's disciple.
 * Approximate timeline of Saitama's promotions:
 * Week 1: C-Rank 388 (Saitama registers as a hero)
 * Week 2: C-Rank 342 (Post Sonic)
 * Week 2: C-Rank 5 (Post Giant meteor)
 * Week 3: C-Rank 2 (Pre-Seafolk invasion), then C-Class Rank 1 (After Deep Sea King incident)
 * Week 4: B-Rank 101 (Promotion)
 * Week 5: B-Rank 63 (At S-Class meeting)
 * B-Rank 33 (After Dark Matter Thieves' invasion, between King Arc and Garou Introduction)
 * Week 6: B-Rank 7 (When Fubuki visited Saitama)
 * Week 9 or 10: A-Rank 39 (Mentioned by Bofoi)