Prairial (in French pronounced as /pʁɛʁjal/) was the ninth month in the French Republican calendar. This month was named after the French word prairie 'meadow'. It was the name given to several ships.
Prairial was the third month of the spring quarter (French: mois de printemps). It started May 20 or May 21. It ended June 18 or June 19. It follows Floréal and precedes Messidor.
Like all FRC months, Prairial lasted 30 days and was divided into three 10-day weeks called décades (decades). Every day had the name of an agricultural plant, except the 5th (Quintidi) and 10th day (Decadi) of every decade, which had the name of a domestic animal (Quintidi) or an agricultural tool (Decadi).
| - bgcolor=#e0e0e0 | 1re Décade | 2e Décade | 3e Décade | - | Primidi | 1. | Luserne (Lucerne) | 11. | Fraise (Strawberry) | 21. | Barbeau (Cornflower) | - | Duodi | 2. | Hémérocalle (Daylily) | 12. | Bétoine (Betony) | 22. | Camomille (Chamomile) | - | Tridi | 3. | Trèfle (Clover) | 13. | Pois (Pea) | 23. | Chèvrefeuille (Honeysuckle) | - | Quartidi | 4. | Angélique (Angelica) | 14. | Acacia (Acacia) | 24. | Caille lait (Bedstraw) | - | Quintidi | 5. | Canard (Duck) | 15. | Caille (Quail) | 25. | Tanche (Tench) | - | Sextidi | 6. | Mélisse (Melissa) | 16. | Œillet (Pink) | 26. | Jasmin (Jasmine) | - | Septidi | 7. | Fromental (Oat Grass) | 17. | Sureau (Elder) | 27. | Verveine (Vervain) | - | Octidi | 8. | Martagon (Martagon Lily) | 18. | Pavot (Poppy) | 28. | Thym (Thyme) | - | Nonidi | 9. | Serpolet (Wild Thyme) | 19. | Tilleul (Lime Tree) | 29. | Pivoine (Peony) | - | Decadi | 10. | Faulx (Scythe) | 20. | Fourche (Pitchfork) | 30. | Chariot (Cart) |
| Table for conversion between Republican and Gregorian Calendar for the month "Prairial" | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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