Invented Reckonings
French Republican
Calendar of 1793 · equinox-timed (approx.)
Adopted in 1793 to break with monarchy and Church: twelve poetically named 30-day months tied to the seasons, ten-day weeks, and five or six festival days. Napoleon abandoned it in 1806.
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In UTC at 02:02 on October 27, 2026, this calendar read 5 Brumaire, An CCXXXV. The reading above is live, in your own time zone.
At a glance
- Type
- Solar — the year opens at the autumn equinox
- Origin
- Revolutionary France, adopted in 1793
- Year
- 365 or 366 days, from the September equinox as seen in Paris
- Months
- 12, of 30 days, in three ten-day décades
- Week
- The ten-day décade, ending on Décadi
- Leap rule
- A sixth festival day in the years the equinox requires
- Counts from
- The founding of the Republic, 22 September 1792 (Year I)
- Where it’s used
- Historical; replaced by the Gregorian from 1 January 1806
- How it’s worked out here
- The year opens on the Paris day holding the September equinox — the rule the Republic legislated
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