No events recorded this year.
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Eras are listed in chronological order. Each carries a color that themes the entire calendar while you view it. Reverse-counted eras (like BCE) number upward into the past.
Recurring astronomical events — moons, comets, eclipses, conjunctions. Each repeats every N days, calculated forward and backward from a single known anchor date.
Seasons act as months — the day count resets to 1 within each. The first season begins the year.
Export your calendar to a JSON file, or import one you saved earlier.