Apr 22, 2026Discover why Ethiopia has 13 months in a year with its unique calendar system featuring a 13th month called Pagumé.

Apr 11, 2026Discover the history of 13-month calendars, including the French Revolutionary Calendar, and why the Gregorian calendar has 12 months.

Apr 1, 2026Explore the pros and cons of switching to a 13-month calendar with 28 days each and its impact on modern systems and traditions.

Mar 6, 2026Learn about historical calendars with 13 months, like the Ethiopian calendar, and how cultural perceptions of time vary.