Episode 2 of 2
Addition of February 30
- When
- February 1712
- Where
- Sweden
Sweden added an extra day to February in 1712 to adjust the calendar back to the Julian standard.
An extra day was added to February in the leap year of 1712, giving the month a unique 30-day length and the year a total of 367 days.
Sources
- Swedish calendar Wikipedia, revision of 2026-07-21
Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.