“The World Season Calendar (WSC) is a proposal for calendar reform by author Isaac Asimov. In...World Season Calendar
“Filianic calendar is used by the followers of Filianism, a new religious movement calling itself...Filianic calendar
“The 28/293 calendar is a 13-month calendar invented by Victor Engel, where each month has 28...28/293 Calendar
“The Primavera Calendar is a calendar that has twelve 30-day months named after signs of the...Primavera Calendar
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- [×] Northern winter solstice start (2 P)