French Republican Calendar

E76011

The French Republican Calendar was a decimal-based calendar system introduced during the French Revolution to replace the Gregorian calendar and symbolically break from the monarchy and the Church.


Statements (66)
Predicate Object
instanceOf calendar system
historical calendar
abolishedInYear 1806
additionalDaysLeapYear 6
additionalDaysPerYear 5
associatedWith de-Christianization in France
countryOfOrigin France
dayName1 primidi
dayName10 décadi
dayName2 duodi
dayName3 tridi
dayName4 quartidi
dayName5 quintidi
dayName6 sextidi
dayName7 septidi
dayName8 octidi
dayName9 nonidi
dayNamesPerDécade 10
daysPerMonth 30
designedBy Charles-Gilbert Romme
Fabre d’Églantine
Philippe-François-Nazaire Fabre d’Églantine
endDateOfficialUse 1806-01-01
epochEvent proclamation of the French Republic
follows French Revolution
hoursPerDayDecimalTime 10
ideology rationalism
republicanism
secularism
introducedBy National Convention
introducedInYear 1793
languageOfNames French
leapYearRuleProposedBy Gilbert Romme
leapYearSpecialDaysCount 6
minutesPerHourDecimalTime 100
monthName1 Vendémiaire
monthName10 Messidor
monthName11 Thermidor
monthName12 Fructidor
monthName2 Brumaire
monthName3 Frimaire
monthName4 Nivôse
monthName5 Pluviôse
monthName6 Ventôse
monthName7 Germinal
monthName8 Floréal
monthName9 Prairial
monthsPerYear 12
numberOfMonths 12
purpose to break with the Catholic Church
to break with the monarchy
replaced Gregorian calendar
replacedBy Gregorian calendar
secondsPerMinuteDecimalTime 100
specialDaysCount 5
specialDaysName Sansculottides
startDateOfficialUse 1793-10-05
startDateYearI 1792-09-22
status no longer in official use
structure decimal
themeOfDayNames plants, animals, tools, and minerals
themeOfMonthNames seasons and agricultural cycles
timeNotation decimal time (proposed)
usedIn French First Republic
weekLength 10 days
weekName décade


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