The International Fixed Calendar divides the year into 13 months of 28 days each. A type of perennial calendar, every date is fixed to the same weekday every year.

Mar 22, 2017 · The 13-month, 28-day alternative has been in use on this planet for more than 6000 years. In prehistoric India and China, and throughout South America it was the standard …

Our current calendar, with its irregular months and arbitrary names, was shaped by empires and power. Year Zero invites us to reconnect time with nature — and with ourselves.

Feb 1, 2025 · Let’s explore the origins of timekeeping, the significance of 13 months with 28 days, and how humanity’s control over the calendar has impacted our spiritual and earthly connection.

The 13-month calendar was devised by Auguste Comte in 1849. It was based on a 364-day year which included the one or two "blank" days that Abbé Mastrofini, an Italian Roman Catholic …

Aug 2, 2025 · Stay organized and productive with a customizable 13-month calendar that suits your lifestyle and needs. Start planning for the year ahead and stay on top of your schedule …

May 30, 2025 · Ancient cultures used 13-month calendars to match lunar cycles and keep months regular at 28 days each. The switch to 12 months was for religious and economic reasons, not …