“The World Season Calendar (WSC) is a proposal for calendar reform by author Isaac Asimov. In...World Season Calendar
“The Symmetry010 Calendar (Sym010) is a proposal for Gregorian calendar reform developed by Dr...Symmetry010 Calendar
“A Modern Calendar The Modern Calendar is a calendar reform proposal featuring an eight-day week...Modern Calendar
“The Perpetual Christian Calendar does not change any names and does not alter the months of the...Perpetual Christian Calendar
“The Traditional Christian Calendar year is divided into four quarters of equal length, named for...Traditional Christian Calendar
This category has only the following subcategory.
- [+] Leap Week Calendars (2 C, 34 P, 3 F)
Pages in category "Perpetual calendars"
The following 20 pages are in this category, out of 20 total.