Februrary 29

Are leap years excessively confusing? Solve this problem with a new system that never requires a leap year again! Note: this does NOT use Swatch™ Internet Time, but maybe it should!

Jun 9, 2025

Culture, UI / UX

calendar, Feb 29, February 28, Februrary 29, leap day, leap year, Swatch Internet Time

Background: A year is apparently around 365 days, 5 hours, 48 minutes, and 46 seconds long. This is annoying, since that isn’t an exact multiple of 24 hours. To account for this situation, February will occasionally have either 28 or 29 total days on it. Aggravatingly, the exact calculations for 28-vs-29 are based on several…