Messidor (French pronunciation: [mesidɔʁ]) was the tenth month in the French Republican Calendar. The month was named after the Latin word messis 'harvest'.

Messidor was the first month of the summer quarter (mois d'été). It started on 19 or 20 June. It ended on 18 or 19 July. It follows Prairial and precedes Thermidor.


Year: 3 Month: Messidor Year: III
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 28
1 Friday
19 June 1795
2 Saturday
20 June 1795
3 Sunday
21 June 1795
4 Monday
22 June 1795
5 Tuesday
23 June 1795
6 Wednesday
24 June 1795
7 Thursday
25 June 1795
8 Friday
26 June 1795
9 Saturday
27 June 1795
10 Sunday
28 June 1795
décade 29
11 Monday
29 June 1795
12 Tuesday
30 June 1795
13 Wednesday
1 July 1795
14 Thursday
2 July 1795
15 Friday
3 July 1795
16 Saturday
4 July 1795
17 Sunday
5 July 1795
18 Monday
6 July 1795
19 Tuesday
7 July 1795
20 Wednesday
8 July 1795
décade 30
21 Thursday
9 July 1795
22 Friday
10 July 1795
23 Saturday
11 July 1795
24 Sunday
12 July 1795
25 Monday
13 July 1795
26 Tuesday
14 July 1795
27 Wednesday
15 July 1795
28 Thursday
16 July 1795
29 Friday
17 July 1795
30 Saturday
18 July 1795
Decimal time - 10 h/day
Paris
2h29m52s
Messidor
Messidor
05:21:10
Time of day - 24 h/day
Greenwich


Conversion between Republican and Gregorian calendar for the years I - XIV
Year: 1 Month: Messidor Year: I
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 28
1 Wednesday
19 June 1793
2 Thursday
20 June 1793
3 Friday
21 June 1793
4 Saturday
22 June 1793
5 Sunday
23 June 1793
6 Monday
24 June 1793
7 Tuesday
25 June 1793
8 Wednesday
26 June 1793
9 Thursday
27 June 1793
10 Friday
28 June 1793
décade 29
11 Saturday
29 June 1793
12 Sunday
30 June 1793
13 Monday
1 July 1793
14 Tuesday
2 July 1793
15 Wednesday
3 July 1793
16 Thursday
4 July 1793
17 Friday
5 July 1793
18 Saturday
6 July 1793
19 Sunday
7 July 1793
20 Monday
8 July 1793
décade 30
21 Tuesday
9 July 1793
22 Wednesday
10 July 1793
23 Thursday
11 July 1793
24 Friday
12 July 1793
25 Saturday
13 July 1793
26 Sunday
14 July 1793
27 Monday
15 July 1793
28 Tuesday
16 July 1793
29 Wednesday
17 July 1793
30 Thursday
18 July 1793
Decimal time - 10 h/day
Paris
2:23:03
Messidor
Messidor
05:21:10
Time of day - 24 h/day
Greenwich
Year: 2 Month: Messidor Year: II
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 28
1 Thursday
19 June 1794
2 Friday
20 June 1794
3 Saturday
21 June 1794
4 Sunday
22 June 1794
5 Monday
23 June 1794
6 Tuesday
24 June 1794
7 Wednesday
25 June 1794
8 Thursday
26 June 1794
9 Friday
27 June 1794
10 Saturday
28 June 1794
décade 29
11 Sunday
29 June 1794
12 Monday
30 June 1794
13 Tuesday
1 July 1794
14 Wednesday
2 July 1794
15 Thursday
3 July 1794
16 Friday
4 July 1794
17 Saturday
5 July 1794
18 Sunday
6 July 1794
19 Monday
7 July 1794
20 Tuesday
8 July 1794
décade 30
21 Wednesday
9 July 1794
22 Thursday
10 July 1794
23 Friday
11 July 1794
24 Saturday
12 July 1794
25 Sunday
13 July 1794
26 Monday
14 July 1794
27 Tuesday
15 July 1794
28 Wednesday
16 July 1794
29 Thursday
17 July 1794
30 Friday
18 July 1794
Decimal time - 10 h/day
Paris
2:23:03
Messidor
Messidor
05:21:10
Time of day - 24 h/day
Greenwich
Year: 3 Month: Messidor Year: III
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 28
1 Friday
19 June 1795
2 Saturday
20 June 1795
3 Sunday
21 June 1795
4 Monday
22 June 1795
5 Tuesday
23 June 1795
6 Wednesday
24 June 1795
7 Thursday
25 June 1795
8 Friday
26 June 1795
9 Saturday
27 June 1795
10 Sunday
28 June 1795
décade 29
11 Monday
29 June 1795
12 Tuesday
30 June 1795
13 Wednesday
1 July 1795
14 Thursday
2 July 1795
15 Friday
3 July 1795
16 Saturday
4 July 1795
17 Sunday
5 July 1795
18 Monday
6 July 1795
19 Tuesday
7 July 1795
20 Wednesday
8 July 1795
décade 30
21 Thursday
9 July 1795
22 Friday
10 July 1795
23 Saturday
11 July 1795
24 Sunday
12 July 1795
25 Monday
13 July 1795
26 Tuesday
14 July 1795
27 Wednesday
15 July 1795
28 Thursday
16 July 1795
29 Friday
17 July 1795
30 Saturday
18 July 1795
Decimal time - 10 h/day
Paris
2:23:03
Messidor
Messidor
05:21:10
Time of day - 24 h/day
Greenwich
Year: 4 Month: Messidor Year: IV
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 28
1 Sunday
19 June 1796
2 Monday
20 June 1796
3 Tuesday
21 June 1796
4 Wednesday
22 June 1796
5 Thursday
23 June 1796
6 Friday
24 June 1796
7 Saturday
25 June 1796
8 Sunday
26 June 1796
9 Monday
27 June 1796
10 Tuesday
28 June 1796
décade 29
11 Wednesday
29 June 1796
12 Thursday
30 June 1796
13 Friday
1 July 1796
14 Saturday
2 July 1796
15 Sunday
3 July 1796
16 Monday
4 July 1796
17 Tuesday
5 July 1796
18 Wednesday
6 July 1796
19 Thursday
7 July 1796
20 Friday
8 July 1796
décade 30
21 Saturday
9 July 1796
22 Sunday
10 July 1796
23 Monday
11 July 1796
24 Tuesday
12 July 1796
25 Wednesday
13 July 1796
26 Thursday
14 July 1796
27 Friday
15 July 1796
28 Saturday
16 July 1796
29 Sunday
17 July 1796
30 Monday
18 July 1796
Decimal time - 10 h/day
Paris
2:23:03
Messidor
Messidor
05:21:10
Time of day - 24 h/day
Greenwich
Year: 5 Month: Messidor Year: V
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 28
1 Monday
19 June 1797
2 Tuesday
20 June 1797
3 Wednesday
21 June 1797
4 Thursday
22 June 1797
5 Friday
23 June 1797
6 Saturday
24 June 1797
7 Sunday
25 June 1797
8 Monday
26 June 1797
9 Tuesday
27 June 1797
10 Wednesday
28 June 1797
décade 29
11 Thursday
29 June 1797
12 Friday
30 June 1797
13 Saturday
1 July 1797
14 Sunday
2 July 1797
15 Monday
3 July 1797
16 Tuesday
4 July 1797
17 Wednesday
5 July 1797
18 Thursday
6 July 1797
19 Friday
7 July 1797
20 Saturday
8 July 1797
décade 30
21 Sunday
9 July 1797
22 Monday
10 July 1797
23 Tuesday
11 July 1797
24 Wednesday
12 July 1797
25 Thursday
13 July 1797
26 Friday
14 July 1797
27 Saturday
15 July 1797
28 Sunday
16 July 1797
29 Monday
17 July 1797
30 Tuesday
18 July 1797
Decimal time - 10 h/day
Paris
2:23:03
Messidor
Messidor
05:21:10
Time of day - 24 h/day
Greenwich
Year: 6 Month: Messidor Year: VI
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 28
1 Tuesday
19 June 1798
2 Wednesday
20 June 1798
3 Thursday
21 June 1798
4 Friday
22 June 1798
5 Saturday
23 June 1798
6 Sunday
24 June 1798
7 Monday
25 June 1798
8 Tuesday
26 June 1798
9 Wednesday
27 June 1798
10 Thursday
28 June 1798
décade 29
11 Friday
29 June 1798
12 Saturday
30 June 1798
13 Sunday
1 July 1798
14 Monday
2 July 1798
15 Tuesday
3 July 1798
16 Wednesday
4 July 1798
17 Thursday
5 July 1798
18 Friday
6 July 1798
19 Saturday
7 July 1798
20 Sunday
8 July 1798
décade 30
21 Monday
9 July 1798
22 Tuesday
10 July 1798
23 Wednesday
11 July 1798
24 Thursday
12 July 1798
25 Friday
13 July 1798
26 Saturday
14 July 1798
27 Sunday
15 July 1798
28 Monday
16 July 1798
29 Tuesday
17 July 1798
30 Wednesday
18 July 1798
Decimal time - 10 h/day
Paris
2:23:03
Messidor
Messidor
05:21:10
Time of day - 24 h/day
Greenwich
Year: 7 Month: Messidor Year: VII
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 28
1 Wednesday
19 June 1799
2 Thursday
20 June 1799
3 Friday
21 June 1799
4 Saturday
22 June 1799
5 Sunday
23 June 1799
6 Monday
24 June 1799
7 Tuesday
25 June 1799
8 Wednesday
26 June 1799
9 Thursday
27 June 1799
10 Friday
28 June 1799
décade 29
11 Saturday
29 June 1799
12 Sunday
30 June 1799
13 Monday
1 July 1799
14 Tuesday
2 July 1799
15 Wednesday
3 July 1799
16 Thursday
4 July 1799
17 Friday
5 July 1799
18 Saturday
6 July 1799
19 Sunday
7 July 1799
20 Monday
8 July 1799
décade 30
21 Tuesday
9 July 1799
22 Wednesday
10 July 1799
23 Thursday
11 July 1799
24 Friday
12 July 1799
25 Saturday
13 July 1799
26 Sunday
14 July 1799
27 Monday
15 July 1799
28 Tuesday
16 July 1799
29 Wednesday
17 July 1799
30 Thursday
18 July 1799
Decimal time - 10 h/day
Paris
2:23:03
Messidor
Messidor
05:21:10
Time of day - 24 h/day
Greenwich
Year: 8 Month: Messidor Year: VIII
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 28
1 Friday
20 June 1800
2 Saturday
21 June 1800
3 Sunday
22 June 1800
4 Monday
23 June 1800
5 Tuesday
24 June 1800
6 Wednesday
25 June 1800
7 Thursday
26 June 1800
8 Friday
27 June 1800
9 Saturday
28 June 1800
10 Sunday
29 June 1800
décade 29
11 Monday
30 June 1800
12 Tuesday
1 July 1800
13 Wednesday
2 July 1800
14 Thursday
3 July 1800
15 Friday
4 July 1800
16 Saturday
5 July 1800
17 Sunday
6 July 1800
18 Monday
7 July 1800
19 Tuesday
8 July 1800
20 Wednesday
9 July 1800
décade 30
21 Thursday
10 July 1800
22 Friday
11 July 1800
23 Saturday
12 July 1800
24 Sunday
13 July 1800
25 Monday
14 July 1800
26 Tuesday
15 July 1800
27 Wednesday
16 July 1800
28 Thursday
17 July 1800
29 Friday
18 July 1800
30 Saturday
19 July 1800
Decimal time - 10 h/day
Paris
2:23:03
Messidor
Messidor
05:21:10
Time of day - 24 h/day
Greenwich
Year: 9 Month: Messidor Year: IX
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 28
1 Saturday
20 June 1801
2 Sunday
21 June 1801
3 Monday
22 June 1801
4 Tuesday
23 June 1801
5 Wednesday
24 June 1801
6 Thursday
25 June 1801
7 Friday
26 June 1801
8 Saturday
27 June 1801
9 Sunday
28 June 1801
10 Monday
29 June 1801
décade 29
11 Tuesday
30 June 1801
12 Wednesday
1 July 1801
13 Thursday
2 July 1801
14 Friday
3 July 1801
15 Saturday
4 July 1801
16 Sunday
5 July 1801
17 Monday
6 July 1801
18 Tuesday
7 July 1801
19 Wednesday
8 July 1801
20 Thursday
9 July 1801
décade 30
21 Friday
10 July 1801
22 Saturday
11 July 1801
23 Sunday
12 July 1801
24 Monday
13 July 1801
25 Tuesday
14 July 1801
26 Wednesday
15 July 1801
27 Thursday
16 July 1801
28 Friday
17 July 1801
29 Saturday
18 July 1801
30 Sunday
19 July 1801
Decimal time - 10 h/day
Paris
2:23:03
Messidor
Messidor
05:21:10
Time of day - 24 h/day
Greenwich
Year: 10 Month: Messidor Year: X
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 28
1 Sunday
20 June 1802
2 Monday
21 June 1802
3 Tuesday
22 June 1802
4 Wednesday
23 June 1802
5 Thursday
24 June 1802
6 Friday
25 June 1802
7 Saturday
26 June 1802
8 Sunday
27 June 1802
9 Monday
28 June 1802
10 Tuesday
29 June 1802
décade 29
11 Wednesday
30 June 1802
12 Thursday
1 July 1802
13 Friday
2 July 1802
14 Saturday
3 July 1802
15 Sunday
4 July 1802
16 Monday
5 July 1802
17 Tuesday
6 July 1802
18 Wednesday
7 July 1802
19 Thursday
8 July 1802
20 Friday
9 July 1802
décade 30
21 Saturday
10 July 1802
22 Sunday
11 July 1802
23 Monday
12 July 1802
24 Tuesday
13 July 1802
25 Wednesday
14 July 1802
26 Thursday
15 July 1802
27 Friday
16 July 1802
28 Saturday
17 July 1802
29 Sunday
18 July 1802
30 Monday
19 July 1802
Decimal time - 10 h/day
Paris
2:23:03
Messidor
Messidor
05:21:10
Time of day - 24 h/day
Greenwich
Year: 11 Month: Messidor Year: XI
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 28
1 Monday
20 June 1803
2 Tuesday
21 June 1803
3 Wednesday
22 June 1803
4 Thursday
23 June 1803
5 Friday
24 June 1803
6 Saturday
25 June 1803
7 Sunday
26 June 1803
8 Monday
27 June 1803
9 Tuesday
28 June 1803
10 Wednesday
29 June 1803
décade 29
11 Thursday
30 June 1803
12 Friday
1 July 1803
13 Saturday
2 July 1803
14 Sunday
3 July 1803
15 Monday
4 July 1803
16 Tuesday
5 July 1803
17 Wednesday
6 July 1803
18 Thursday
7 July 1803
19 Friday
8 July 1803
20 Saturday
9 July 1803
décade 30
21 Sunday
10 July 1803
22 Monday
11 July 1803
23 Tuesday
12 July 1803
24 Wednesday
13 July 1803
25 Thursday
14 July 1803
26 Friday
15 July 1803
27 Saturday
16 July 1803
28 Sunday
17 July 1803
29 Monday
18 July 1803
30 Tuesday
19 July 1803
Decimal time - 10 h/day
Paris
2:23:03
Messidor
Messidor
05:21:10
Time of day - 24 h/day
Greenwich
Year: 12 Month: Messidor Year: XII
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 28
1 Wednesday
20 June 1804
2 Thursday
21 June 1804
3 Friday
22 June 1804
4 Saturday
23 June 1804
5 Sunday
24 June 1804
6 Monday
25 June 1804
7 Tuesday
26 June 1804
8 Wednesday
27 June 1804
9 Thursday
28 June 1804
10 Friday
29 June 1804
décade 29
11 Saturday
30 June 1804
12 Sunday
1 July 1804
13 Monday
2 July 1804
14 Tuesday
3 July 1804
15 Wednesday
4 July 1804
16 Thursday
5 July 1804
17 Friday
6 July 1804
18 Saturday
7 July 1804
19 Sunday
8 July 1804
20 Monday
9 July 1804
décade 30
21 Tuesday
10 July 1804
22 Wednesday
11 July 1804
23 Thursday
12 July 1804
24 Friday
13 July 1804
25 Saturday
14 July 1804
26 Sunday
15 July 1804
27 Monday
16 July 1804
28 Tuesday
17 July 1804
29 Wednesday
18 July 1804
30 Thursday
19 July 1804
Decimal time - 10 h/day
Paris
2:23:03
Messidor
Messidor
05:21:10
Time of day - 24 h/day
Greenwich
Year: 13 Month: Messidor Year: XIII
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 28
1 Thursday
20 June 1805
2 Friday
21 June 1805
3 Saturday
22 June 1805
4 Sunday
23 June 1805
5 Monday
24 June 1805
6 Tuesday
25 June 1805
7 Wednesday
26 June 1805
8 Thursday
27 June 1805
9 Friday
28 June 1805
10 Saturday
29 June 1805
décade 29
11 Sunday
30 June 1805
12 Monday
1 July 1805
13 Tuesday
2 July 1805
14 Wednesday
3 July 1805
15 Thursday
4 July 1805
16 Friday
5 July 1805
17 Saturday
6 July 1805
18 Sunday
7 July 1805
19 Monday
8 July 1805
20 Tuesday
9 July 1805
décade 30
21 Wednesday
10 July 1805
22 Thursday
11 July 1805
23 Friday
12 July 1805
24 Saturday
13 July 1805
25 Sunday
14 July 1805
26 Monday
15 July 1805
27 Tuesday
16 July 1805
28 Wednesday
17 July 1805
29 Thursday
18 July 1805
30 Friday
19 July 1805
Decimal time - 10 h/day
Paris
2:23:03
Messidor
Messidor
05:21:10
Time of day - 24 h/day
Greenwich
Year: 14 Month: Messidor Year: XIV
Day of the 10-day
week (décade)
Primidi
Duodi
Tridi
Quartidi
Quintidi
Sextidi
Septidi
Octidi
Nonidi
Décadi
décade 28
1 Friday
20 June 1806
2 Saturday
21 June 1806
3 Sunday
22 June 1806
4 Monday
23 June 1806
5 Tuesday
24 June 1806
6 Wednesday
25 June 1806
7 Thursday
26 June 1806
8 Friday
27 June 1806
9 Saturday
28 June 1806
10 Sunday
29 June 1806
décade 29
11 Monday
30 June 1806
12 Tuesday
1 July 1806
13 Wednesday
2 July 1806
14 Thursday
3 July 1806
15 Friday
4 July 1806
16 Saturday
5 July 1806
17 Sunday
6 July 1806
18 Monday
7 July 1806
19 Tuesday
8 July 1806
20 Wednesday
9 July 1806
décade 30
21 Thursday
10 July 1806
22 Friday
11 July 1806
23 Saturday
12 July 1806
24 Sunday
13 July 1806
25 Monday
14 July 1806
26 Tuesday
15 July 1806
27 Wednesday
16 July 1806
28 Thursday
17 July 1806
29 Friday
18 July 1806
30 Saturday
19 July 1806
Decimal time - 10 h/day
Paris
2:23:03
Messidor
Messidor
05:21:10
Time of day - 24 h/day
Greenwich

Day name table

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Like all FRC months Messidor 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. Seigle (Rye) 11. Coriandre (Coriander) 21. Menthe (Mint)
Duodi 2. Avoine (Oats) 12. Artichaut (Artichoke) 22. Cumin (Caraway)
Tridi 3. Oignon (Onion) 13. Giroflée (Clove) 23. Haricot (Bean)
Quartidi 4. Véronique (Speedwell) 14. Lavande (Lavender) 24. Orcanète (Alkanet)
Quintidi 5. Mulet (Mule) 15. Chamois (Chamois) 25. Pintade (Guinea fowl)
Sextidi 6. Romarin (Rosemary) 16. Tabac (Tobacco) 26. Sauge (Sage)
Septidi 7. Concombre (Cucumber) 17. Groseille (Currant) 27. Aïl (Garlic)
Octidi 8. Échalotte (Shallot) 18. Cesse (Vetchling) 28. Vesce (Vetch)
Nonidi 9. Absynthe (Wormwood) 19. Cerise (Cherry) 29. Blé (Wheat)
Decadi 10. Faucille (Sickle) 20. Parc (Fold) 30. Chalémie (Shawm)

Conversion table

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Table for conversion between Republican and Gregorian Calendar
for the month "Messidor"
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
19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
June 1793 1794 1795 1796 1797 1798 1799 July
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
20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
June 1800 1801 1802 1803 1804 1805 July
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