French Republican calendar
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The French Republican calendar, also commonly called the French Revolutionary calendar, was a calendar created and implemented during the French Revolution and used by the French government for about
French Republican Calendar of An III (1794 to 1795), drawn by Philibert-Louis Debucourt
A copy of the French Republican Calendar in the Historical Museum of Lausanne
L AN 2 DE LA REPUBLIQUE FR (Year 2 of the French Republic) on a barn near Geneva, dating to 1793 or 1794
French Revolutionary pocket watch showing ten-day décade names and thirty-day month numbers from the Republican Calendar, but with duodecimal time. On display at the Musée d'Art et d'Histoire (Neuchâtel) In Switzerland.
Decimal time
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Decimal time is the representation of the time of day using units which are decimally related. This term is often used specifically to refer to the French Republican calendar time system used from 179
French decimal clock from the time of the French Revolution. The large dial shows the ten hours of the decimal day in Arabic numerals, while the small dial shows the two 12-hour periods of the standard 24-hour day in Roman numerals.
Astronomical table from the Almanach national de France using decimal time
3 different representations of 3 hours 86 minutes decimal time by Delambre (9:15:50 a.m.)
Marriage certificate for Napoleon's sister, dated 12 floreal l'An V "à Sept heures Cinq Decimes" (May 1, 1797, at 6:00 pm).