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 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
“The lunisolar Eurasian Calendars were developed by Kaldarhan Kandar. The basic one uses a leap...Eurasian Calendar