Louis Lafitte : French Republican Calendar
The Republican calendar year began the day the autumnal equinox occurred in Paris, and had twelve months of 30 days each, which were given new names based on nature, principally having to do with the prevailing weather in and around Paris.
Vendémiaire in French (from Latin vindemia, "grape harvest"), starting 22, 23, or 24 September
Brumaire (from French brume, "fog"), starting 22, 23, or 24 October
Frimaire (From French frimas, "frost"), starting 21, 22, or 23 November
Nivôse (from Latin nivosus, "snowy"), starting 21, 22, or 23 December
Pluviôse (from Latin pluvius, "rainy"), starting 20, 21, or 22 January
Ventôse (from Latin ventosus, "windy"), starting 19, 20, or 21 February
Germinal (from Latin germen, "germination"), starting 20 or 21 March
Floréal (from Latin flos, "flower"), starting 20 or 21 April
Prairial (from French prairie, "pasture"), starting 20 or 21 May
Messidor (from Latin messis, "harvest"), starting 19 or 20 June
Thermidor (or Fervidor) (from Greek thermon, "summer heat"), starting 19 or 20 July
Fructidor (from Latin fructus, "fruit"), starting 18 or 19 August
Note: On many printed calendars of Year II (1793–94), the month of Thermidor was named Fervidor.
第四章 焦循 之 《易》 學法則