“The ancient civil Egyptian calendar, known as the Annus Vagus or "Wandering Year", had a year...Egyptian calendar
“The Soviet revolutionary calendar was in use in the Soviet Union from 1929 to 1940. Shortly...Soviet revolutionary calendar
“The Primavera Calendar is a calendar that has twelve 30-day months named after signs of the...Primavera Calendar
“The fictional Christian Calendar, also known as Biblical Calendar, originally is an adapted...Christian Calendar
Pages in category "30-day month calendars"
The following 19 pages are in this category, out of 19 total.