“The Gregorian solar calendar is an arithmetical calendar. It counts days as the basic unit of...Gregorian calendar
“The 13-month Sol Calendar is a proposal for calendar reform by Jim Eikner of Austin, Texas, USA...Sol Calendar
“The Annuary Calendar is a Calendar invented by Karl Palmen in which each year has twelve regular...Annuary Calendar
“The positivist calendar was a calendar reform proposal by Auguste Comte in 1849. After revising...Positivist Calendar
“Kalentris is a calendar invented by an unknown person that is heavily based upon the number 3...Kalentris
Pages in category "400-year leap cycle"
The following 15 pages are in this category, out of 15 total.