Fructidor was the third month of the summer quarter (mois d'été). It started August 18 or August 19. It ended September 16 or September 17. It follows the Thermidor and precedes the Sansculottides.
Like all FRC months Fructidor 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).
| 1re Décade | 2e Décade | 3e Décade | ||||
| Primidi | 1. | Prune (Plum) | 11. | Pastèque (Watermelon) | 21. | Eglantier (Dog Rose) |
| Duodi | 2. | Millet (Millet) | 12. | Fenouil (Fennel) | 22. | Noisette (Hazelnut) |
| Tridi | 3. | Licoperde (Puffball) | 13. | Epine vinette (Barberry) | 23. | Houblon (Hops) |
| Quartidi | 4. | Escourgeon (Barleygrass) | 14. | Noix (Walnut) | 24. | Sorgho (Sorghum) |
| Quintidi | 5. | Saumon (Salmon) | 15. | Truite (Trout) | 25. | Écrevisse (Crab) |
| Sextidi | 6. | Tubéreuse (Tuberose) | 16. | Citron (Lemon) | 26. | Bigarade (Bitterorange) |
| Septidi | 7. | Sucrion (Barleygrass) | 17. | Cardière (Teasel) | 27. | Verge d'or (Golden Rod) |
| Octidi | 8. | Apocyn (Dogbane) | 18. | Nerprun (Buckthorn) | 28. | Maïs (Corn) |
| Nonidi | 9. | Réglisse (Licorice) | 19. | Tagette (African Marigold) | 29. | Marron (Horse Chestnut) |
| Decadi | 10. | Échelle (Ladder) | 20. | Hotte (Sack) | 30. | Panier (Basket) |
| Table for conversion between Republican and Gregorian Calendar for the month "Fructidor" | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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