Calendars based on the Julian calendar.
“The Gregorian solar calendar is an arithmetical calendar. It counts days as the basic unit of...Gregorian calendar
“The lunisolar Eurasian Calendars were developed by Kaldarhan Kandar. The basic one uses a leap...Eurasian Calendar
“The proleptic Gregorian calendar is produced by extending the Gregorian calendar to dates...Proleptic Gregorian calendar
“The Amended Julian Worldwide Calendar is a suggestion for improving the accuracy of the...Amended Julian Worldwide Calendar
“This reformed calendar has the same amount of days but is divided into "Thirds" of 487 days each...Reformed Julian Calendar (487 days x 3, Thirds)