Prairial (French pronunciation: [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 (mois de printemps). It started May 20 or May 21. It ended June 18 or June 19. It follows Floréal and precedes Messidor.


Year: 3 Month: Prairial Year: III
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 25
1 Wednesday
20 May 1795
2 Thursday
21 May 1795
3 Friday
22 May 1795
4 Saturday
23 May 1795
5 Sunday
24 May 1795
6 Monday
25 May 1795
7 Tuesday
26 May 1795
8 Wednesday
27 May 1795
9 Thursday
28 May 1795
10 Friday
29 May 1795
décade 26
11 Saturday
30 May 1795
12 Sunday
31 May 1795
13 Monday
1 June 1795
14 Tuesday
2 June 1795
15 Wednesday
3 June 1795
16 Thursday
4 June 1795
17 Friday
5 June 1795
18 Saturday
6 June 1795
19 Sunday
7 June 1795
20 Monday
8 June 1795
décade 27
21 Tuesday
9 June 1795
22 Wednesday
10 June 1795
23 Thursday
11 June 1795
24 Friday
12 June 1795
25 Saturday
13 June 1795
26 Sunday
14 June 1795
27 Monday
15 June 1795
28 Tuesday
16 June 1795
29 Wednesday
17 June 1795
30 Thursday
18 June 1795
Decimal time - 10 h/day
Paris
9h82m16s
Prairial
Prairial
23:24:58
Time of day - 24 h/day
Greenwich


Conversion between Republican and Gregorian calendar for the years I - XIV
Year: 1 Month: Prairial Year: I
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 25
1 Monday
20 May 1793
2 Tuesday
21 May 1793
3 Wednesday
22 May 1793
4 Thursday
23 May 1793
5 Friday
24 May 1793
6 Saturday
25 May 1793
7 Sunday
26 May 1793
8 Monday
27 May 1793
9 Tuesday
28 May 1793
10 Wednesday
29 May 1793
décade 26
11 Thursday
30 May 1793
12 Friday
31 May 1793
13 Saturday
1 June 1793
14 Sunday
2 June 1793
15 Monday
3 June 1793
16 Tuesday
4 June 1793
17 Wednesday
5 June 1793
18 Thursday
6 June 1793
19 Friday
7 June 1793
20 Saturday
8 June 1793
décade 27
21 Sunday
9 June 1793
22 Monday
10 June 1793
23 Tuesday
11 June 1793
24 Wednesday
12 June 1793
25 Thursday
13 June 1793
26 Friday
14 June 1793
27 Saturday
15 June 1793
28 Sunday
16 June 1793
29 Monday
17 June 1793
30 Tuesday
18 June 1793
Decimal time - 10 h/day
Paris
9:75:67
Prairial
Prairial
23:24:58
Time of day - 24 h/day
Greenwich
Year: 2 Month: Prairial Year: II
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 25
1 Tuesday
20 May 1794
2 Wednesday
21 May 1794
3 Thursday
22 May 1794
4 Friday
23 May 1794
5 Saturday
24 May 1794
6 Sunday
25 May 1794
7 Monday
26 May 1794
8 Tuesday
27 May 1794
9 Wednesday
28 May 1794
10 Thursday
29 May 1794
décade 26
11 Friday
30 May 1794
12 Saturday
31 May 1794
13 Sunday
1 June 1794
14 Monday
2 June 1794
15 Tuesday
3 June 1794
16 Wednesday
4 June 1794
17 Thursday
5 June 1794
18 Friday
6 June 1794
19 Saturday
7 June 1794
20 Sunday
8 June 1794
décade 27
21 Monday
9 June 1794
22 Tuesday
10 June 1794
23 Wednesday
11 June 1794
24 Thursday
12 June 1794
25 Friday
13 June 1794
26 Saturday
14 June 1794
27 Sunday
15 June 1794
28 Monday
16 June 1794
29 Tuesday
17 June 1794
30 Wednesday
18 June 1794
Decimal time - 10 h/day
Paris
9:75:67
Prairial
Prairial
23:24:58
Time of day - 24 h/day
Greenwich
Year: 3 Month: Prairial Year: III
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 25
1 Wednesday
20 May 1795
2 Thursday
21 May 1795
3 Friday
22 May 1795
4 Saturday
23 May 1795
5 Sunday
24 May 1795
6 Monday
25 May 1795
7 Tuesday
26 May 1795
8 Wednesday
27 May 1795
9 Thursday
28 May 1795
10 Friday
29 May 1795
décade 26
11 Saturday
30 May 1795
12 Sunday
31 May 1795
13 Monday
1 June 1795
14 Tuesday
2 June 1795
15 Wednesday
3 June 1795
16 Thursday
4 June 1795
17 Friday
5 June 1795
18 Saturday
6 June 1795
19 Sunday
7 June 1795
20 Monday
8 June 1795
décade 27
21 Tuesday
9 June 1795
22 Wednesday
10 June 1795
23 Thursday
11 June 1795
24 Friday
12 June 1795
25 Saturday
13 June 1795
26 Sunday
14 June 1795
27 Monday
15 June 1795
28 Tuesday
16 June 1795
29 Wednesday
17 June 1795
30 Thursday
18 June 1795
Decimal time - 10 h/day
Paris
9:75:67
Prairial
Prairial
23:24:58
Time of day - 24 h/day
Greenwich
Year: 4 Month: Prairial Year: IV
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 25
1 Friday
20 May 1796
2 Saturday
21 May 1796
3 Sunday
22 May 1796
4 Monday
23 May 1796
5 Tuesday
24 May 1796
6 Wednesday
25 May 1796
7 Thursday
26 May 1796
8 Friday
27 May 1796
9 Saturday
28 May 1796
10 Sunday
29 May 1796
décade 26
11 Monday
30 May 1796
12 Tuesday
31 May 1796
13 Wednesday
1 June 1796
14 Thursday
2 June 1796
15 Friday
3 June 1796
16 Saturday
4 June 1796
17 Sunday
5 June 1796
18 Monday
6 June 1796
19 Tuesday
7 June 1796
20 Wednesday
8 June 1796
décade 27
21 Thursday
9 June 1796
22 Friday
10 June 1796
23 Saturday
11 June 1796
24 Sunday
12 June 1796
25 Monday
13 June 1796
26 Tuesday
14 June 1796
27 Wednesday
15 June 1796
28 Thursday
16 June 1796
29 Friday
17 June 1796
30 Saturday
18 June 1796
Decimal time - 10 h/day
Paris
9:75:67
Prairial
Prairial
23:24:58
Time of day - 24 h/day
Greenwich
Year: 5 Month: Prairial Year: V
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 25
1 Saturday
20 May 1797
2 Sunday
21 May 1797
3 Monday
22 May 1797
4 Tuesday
23 May 1797
5 Wednesday
24 May 1797
6 Thursday
25 May 1797
7 Friday
26 May 1797
8 Saturday
27 May 1797
9 Sunday
28 May 1797
10 Monday
29 May 1797
décade 26
11 Tuesday
30 May 1797
12 Wednesday
31 May 1797
13 Thursday
1 June 1797
14 Friday
2 June 1797
15 Saturday
3 June 1797
16 Sunday
4 June 1797
17 Monday
5 June 1797
18 Tuesday
6 June 1797
19 Wednesday
7 June 1797
20 Thursday
8 June 1797
décade 27
21 Friday
9 June 1797
22 Saturday
10 June 1797
23 Sunday
11 June 1797
24 Monday
12 June 1797
25 Tuesday
13 June 1797
26 Wednesday
14 June 1797
27 Thursday
15 June 1797
28 Friday
16 June 1797
29 Saturday
17 June 1797
30 Sunday
18 June 1797
Decimal time - 10 h/day
Paris
9:75:67
Prairial
Prairial
23:24:58
Time of day - 24 h/day
Greenwich
Year: 6 Month: Prairial Year: VI
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 25
1 Sunday
20 May 1798
2 Monday
21 May 1798
3 Tuesday
22 May 1798
4 Wednesday
23 May 1798
5 Thursday
24 May 1798
6 Friday
25 May 1798
7 Saturday
26 May 1798
8 Sunday
27 May 1798
9 Monday
28 May 1798
10 Tuesday
29 May 1798
décade 26
11 Wednesday
30 May 1798
12 Thursday
31 May 1798
13 Friday
1 June 1798
14 Saturday
2 June 1798
15 Sunday
3 June 1798
16 Monday
4 June 1798
17 Tuesday
5 June 1798
18 Wednesday
6 June 1798
19 Thursday
7 June 1798
20 Friday
8 June 1798
décade 27
21 Saturday
9 June 1798
22 Sunday
10 June 1798
23 Monday
11 June 1798
24 Tuesday
12 June 1798
25 Wednesday
13 June 1798
26 Thursday
14 June 1798
27 Friday
15 June 1798
28 Saturday
16 June 1798
29 Sunday
17 June 1798
30 Monday
18 June 1798
Decimal time - 10 h/day
Paris
9:75:67
Prairial
Prairial
23:24:58
Time of day - 24 h/day
Greenwich
Year: 7 Month: Prairial Year: VII
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 25
1 Monday
20 May 1799
2 Tuesday
21 May 1799
3 Wednesday
22 May 1799
4 Thursday
23 May 1799
5 Friday
24 May 1799
6 Saturday
25 May 1799
7 Sunday
26 May 1799
8 Monday
27 May 1799
9 Tuesday
28 May 1799
10 Wednesday
29 May 1799
décade 26
11 Thursday
30 May 1799
12 Friday
31 May 1799
13 Saturday
1 June 1799
14 Sunday
2 June 1799
15 Monday
3 June 1799
16 Tuesday
4 June 1799
17 Wednesday
5 June 1799
18 Thursday
6 June 1799
19 Friday
7 June 1799
20 Saturday
8 June 1799
décade 27
21 Sunday
9 June 1799
22 Monday
10 June 1799
23 Tuesday
11 June 1799
24 Wednesday
12 June 1799
25 Thursday
13 June 1799
26 Friday
14 June 1799
27 Saturday
15 June 1799
28 Sunday
16 June 1799
29 Monday
17 June 1799
30 Tuesday
18 June 1799
Decimal time - 10 h/day
Paris
9:75:67
Prairial
Prairial
23:24:58
Time of day - 24 h/day
Greenwich
Year: 8 Month: Prairial Year: VIII
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 25
1 Wednesday
21 May 1800
2 Thursday
22 May 1800
3 Friday
23 May 1800
4 Saturday
24 May 1800
5 Sunday
25 May 1800
6 Monday
26 May 1800
7 Tuesday
27 May 1800
8 Wednesday
28 May 1800
9 Thursday
29 May 1800
10 Friday
30 May 1800
décade 26
11 Saturday
31 May 1800
12 Sunday
1 June 1800
13 Monday
2 June 1800
14 Tuesday
3 June 1800
15 Wednesday
4 June 1800
16 Thursday
5 June 1800
17 Friday
6 June 1800
18 Saturday
7 June 1800
19 Sunday
8 June 1800
20 Monday
9 June 1800
décade 27
21 Tuesday
10 June 1800
22 Wednesday
11 June 1800
23 Thursday
12 June 1800
24 Friday
13 June 1800
25 Saturday
14 June 1800
26 Sunday
15 June 1800
27 Monday
16 June 1800
28 Tuesday
17 June 1800
29 Wednesday
18 June 1800
30 Thursday
19 June 1800
Decimal time - 10 h/day
Paris
9:75:67
Prairial
Prairial
23:24:58
Time of day - 24 h/day
Greenwich
Year: 9 Month: Prairial Year: IX
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 25
1 Thursday
21 May 1801
2 Friday
22 May 1801
3 Saturday
23 May 1801
4 Sunday
24 May 1801
5 Monday
25 May 1801
6 Tuesday
26 May 1801
7 Wednesday
27 May 1801
8 Thursday
28 May 1801
9 Friday
29 May 1801
10 Saturday
30 May 1801
décade 26
11 Sunday
31 May 1801
12 Monday
1 June 1801
13 Tuesday
2 June 1801
14 Wednesday
3 June 1801
15 Thursday
4 June 1801
16 Friday
5 June 1801
17 Saturday
6 June 1801
18 Sunday
7 June 1801
19 Monday
8 June 1801
20 Tuesday
9 June 1801
décade 27
21 Wednesday
10 June 1801
22 Thursday
11 June 1801
23 Friday
12 June 1801
24 Saturday
13 June 1801
25 Sunday
14 June 1801
26 Monday
15 June 1801
27 Tuesday
16 June 1801
28 Wednesday
17 June 1801
29 Thursday
18 June 1801
30 Friday
19 June 1801
Decimal time - 10 h/day
Paris
9:75:67
Prairial
Prairial
23:24:58
Time of day - 24 h/day
Greenwich
Year: 10 Month: Prairial Year: X
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 25
1 Friday
21 May 1802
2 Saturday
22 May 1802
3 Sunday
23 May 1802
4 Monday
24 May 1802
5 Tuesday
25 May 1802
6 Wednesday
26 May 1802
7 Thursday
27 May 1802
8 Friday
28 May 1802
9 Saturday
29 May 1802
10 Sunday
30 May 1802
décade 26
11 Monday
31 May 1802
12 Tuesday
1 June 1802
13 Wednesday
2 June 1802
14 Thursday
3 June 1802
15 Friday
4 June 1802
16 Saturday
5 June 1802
17 Sunday
6 June 1802
18 Monday
7 June 1802
19 Tuesday
8 June 1802
20 Wednesday
9 June 1802
décade 27
21 Thursday
10 June 1802
22 Friday
11 June 1802
23 Saturday
12 June 1802
24 Sunday
13 June 1802
25 Monday
14 June 1802
26 Tuesday
15 June 1802
27 Wednesday
16 June 1802
28 Thursday
17 June 1802
29 Friday
18 June 1802
30 Saturday
19 June 1802
Decimal time - 10 h/day
Paris
9:75:67
Prairial
Prairial
23:24:58
Time of day - 24 h/day
Greenwich
Year: 11 Month: Prairial Year: XI
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 25
1 Saturday
21 May 1803
2 Sunday
22 May 1803
3 Monday
23 May 1803
4 Tuesday
24 May 1803
5 Wednesday
25 May 1803
6 Thursday
26 May 1803
7 Friday
27 May 1803
8 Saturday
28 May 1803
9 Sunday
29 May 1803
10 Monday
30 May 1803
décade 26
11 Tuesday
31 May 1803
12 Wednesday
1 June 1803
13 Thursday
2 June 1803
14 Friday
3 June 1803
15 Saturday
4 June 1803
16 Sunday
5 June 1803
17 Monday
6 June 1803
18 Tuesday
7 June 1803
19 Wednesday
8 June 1803
20 Thursday
9 June 1803
décade 27
21 Friday
10 June 1803
22 Saturday
11 June 1803
23 Sunday
12 June 1803
24 Monday
13 June 1803
25 Tuesday
14 June 1803
26 Wednesday
15 June 1803
27 Thursday
16 June 1803
28 Friday
17 June 1803
29 Saturday
18 June 1803
30 Sunday
19 June 1803
Decimal time - 10 h/day
Paris
9:75:67
Prairial
Prairial
23:24:58
Time of day - 24 h/day
Greenwich
Year: 12 Month: Prairial Year: XII
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 25
1 Monday
21 May 1804
2 Tuesday
22 May 1804
3 Wednesday
23 May 1804
4 Thursday
24 May 1804
5 Friday
25 May 1804
6 Saturday
26 May 1804
7 Sunday
27 May 1804
8 Monday
28 May 1804
9 Tuesday
29 May 1804
10 Wednesday
30 May 1804
décade 26
11 Thursday
31 May 1804
12 Friday
1 June 1804
13 Saturday
2 June 1804
14 Sunday
3 June 1804
15 Monday
4 June 1804
16 Tuesday
5 June 1804
17 Wednesday
6 June 1804
18 Thursday
7 June 1804
19 Friday
8 June 1804
20 Saturday
9 June 1804
décade 27
21 Sunday
10 June 1804
22 Monday
11 June 1804
23 Tuesday
12 June 1804
24 Wednesday
13 June 1804
25 Thursday
14 June 1804
26 Friday
15 June 1804
27 Saturday
16 June 1804
28 Sunday
17 June 1804
29 Monday
18 June 1804
30 Tuesday
19 June 1804
Decimal time - 10 h/day
Paris
9:75:67
Prairial
Prairial
23:24:58
Time of day - 24 h/day
Greenwich
Year: 13 Month: Prairial Year: XIII
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 25
1 Tuesday
21 May 1805
2 Wednesday
22 May 1805
3 Thursday
23 May 1805
4 Friday
24 May 1805
5 Saturday
25 May 1805
6 Sunday
26 May 1805
7 Monday
27 May 1805
8 Tuesday
28 May 1805
9 Wednesday
29 May 1805
10 Thursday
30 May 1805
décade 26
11 Friday
31 May 1805
12 Saturday
1 June 1805
13 Sunday
2 June 1805
14 Monday
3 June 1805
15 Tuesday
4 June 1805
16 Wednesday
5 June 1805
17 Thursday
6 June 1805
18 Friday
7 June 1805
19 Saturday
8 June 1805
20 Sunday
9 June 1805
décade 27
21 Monday
10 June 1805
22 Tuesday
11 June 1805
23 Wednesday
12 June 1805
24 Thursday
13 June 1805
25 Friday
14 June 1805
26 Saturday
15 June 1805
27 Sunday
16 June 1805
28 Monday
17 June 1805
29 Tuesday
18 June 1805
30 Wednesday
19 June 1805
Decimal time - 10 h/day
Paris
9:75:67
Prairial
Prairial
23:24:58
Time of day - 24 h/day
Greenwich
Year: 14 Month: Prairial Year: XIV
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 25
1 Wednesday
21 May 1806
2 Thursday
22 May 1806
3 Friday
23 May 1806
4 Saturday
24 May 1806
5 Sunday
25 May 1806
6 Monday
26 May 1806
7 Tuesday
27 May 1806
8 Wednesday
28 May 1806
9 Thursday
29 May 1806
10 Friday
30 May 1806
décade 26
11 Saturday
31 May 1806
12 Sunday
1 June 1806
13 Monday
2 June 1806
14 Tuesday
3 June 1806
15 Wednesday
4 June 1806
16 Thursday
5 June 1806
17 Friday
6 June 1806
18 Saturday
7 June 1806
19 Sunday
8 June 1806
20 Monday
9 June 1806
décade 27
21 Tuesday
10 June 1806
22 Wednesday
11 June 1806
23 Thursday
12 June 1806
24 Friday
13 June 1806
25 Saturday
14 June 1806
26 Sunday
15 June 1806
27 Monday
16 June 1806
28 Tuesday
17 June 1806
29 Wednesday
18 June 1806
30 Thursday
19 June 1806
Decimal time - 10 h/day
Paris
9:75:67
Prairial
Prairial
23:24:58
Time of day - 24 h/day
Greenwich

Day name table

edit

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).

  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)

Conversion table

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Table for conversion between Republican and Gregorian Calendar
for the month "Prairial"
I. II. III. IV. V. VI. VII.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
20 21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
May 1793 1794 1795 1796 1797 1798 1799 June
VIII. IX. X. XI. XII. XIII.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
May 1800 1801 1802 1803 1804 1805 June

See also

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