Secular perpetual calendar
Franck Muller Aeternitas 4
with secular perpetual calendar
© Franck Muller
Rare variant of the perpetual calendar, which also takes into account the long-term exclusion rules for determining the leap years partially
- 100s rule = 1900, 2100, 2200, … are no leap years, or even completely
- 400s rule = 2000, 2400, … again are leap years.
secular_perpetual_calendar.txt · Last modified: 03.07.2022 15:37 by 127.0.0.1