Sep 25, 2026Learn about the 13-month International Fixed Calendar and why it never replaced our current 12-month Gregorian calendar.

Sep 19, 2026Discover how a 13-month year works with 28-day months and an extra holiday day for simplified calendar planning and predictability.

Sep 17, 2026Discover why Ethiopia's calendar has 13 months, including a special 13th month called Pagume, differing from the Gregorian calendar.

Sep 15, 2026Discover how a 13-month calendar with 28-day months simplifies scheduling, budgeting, and project management with consistent monthly periods.

Sep 15, 2026Discover how a 13-month calendar with 28-day months could simplify our year and transform date tracking with a uniform calendar system.

May 25, 2026Explore the history of the 13-month International Fixed Calendar used by Eastman Kodak and its unique design with 28-day months.

Apr 24, 2026Discover why the 13-month calendar was replaced by the 12-month system influenced by the Roman calendar for better alignment with lunar cycles and seasons.

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.

Apr 1, 2026Discover why the world uses a 12-month calendar instead of a 13-month one, covering cultural, practical, and scientific reasons.

Mar 28, 2026Discover why the world uses a 12-month calendar instead of 13 months, focusing on practical, agricultural, and historical reasons.

Mar 15, 2026Discover the implications of a calendar where every month has just 28 days, including benefits for scheduling and time management.

Jan 25, 2026Explore why the 12-month Gregorian calendar prevails and the implications of a 13-month system.