French Revolutionary Calendar

The calendar consisted of twelve 30-day months, each divided into three 10-day cycles similar to weeks, plus five or six intercalary days at the end to fill out the balance of a solar year.

•Vendémiaire ( vintage / grape harvest )

Sept 22 – Oct 21

•Brumaire ( mist / fog )

Oct 22 – Nov 20

•Frimaire ( frost )

Nov 21 – Dec 20

•Nivôse ( snow )

Dec 21 – Jan 19

•Pluviôse ( rain )

Jan 20 – Feb 18

•Ventôse ( wind )

Feb 19 – Mar 20

•Germinal ( germination / seeding )

Mar 21 – Apr 19

•Floréal ( flower )

Apr 20 – May 19

•Prairial( meadow )

May 20 – Jun 18

•Messidor ( harvest )

Jun 19 – Jul 18

•Thermidor ( heat / Summer warmth )

Jul 19 – Aug 17

•Fructidor ( fruit )

Aug 18 – Sept 16