one of the twelve divisions of the calendar year

the calendar adopted by the first French Republic in 1793 and abandoned in 1805; dates were calculated from Sept. 22, 1792

first month of the Revolutionary calendar (September and October); the month of the grape harvest

second month of the Revolutionary calendar (October and November); the month of mist

third month of the Revolutionary calendar (November and December); the frosty month

fourth month of the Revolutionary calendar (December and January); the snowy month

fifth month of the Revolutionary calendar (January and February); the rainy month

the calendar adopted by the first French Republic in 1793 and abandoned in 1805; dates were calculated from Sept. 22, 1792