The Allison Calendar (non-perpetual)
| Su | Mo | Tu | We | Th | Fr | Sa | Su | Mo | Tu | We | Th | Fr | Sa | Su | Mo | Tu | We | Th | Fr | Sa | Su | Mo | Tu | We | Th | Fr | Sa | |||||||
| January | 1 | 2 | 3 | 4 | 5 | 6 | May | 1 | 2 | 3 | July | 1 | 2 | 3 | 4 | 5 | 6 | October | 1 | 2 | 3 | 4 | 5 | |||||||||||
| 7 | 8 | 9 | 10 | 11 | 12 | 13 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |||||||
| 14 | 15 | 16 | 17 | 18 | 19 | 20 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | |||||||
| 21 | 22 | 23 | 24 | 25 | 26 | 27 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | |||||||
| 28 | 29 | 30 | 31 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 28 | 29 | 30 | 31 | 27 | 28 | 29 | 30 | 31 | |||||||||||||||
| February | 1 | 2 | 3 | Beltaine | 1 | 2 | 3 | 4 | 5 | 6 | 7 | August | 1 | 2 | 3 | November | 1 | 2 | ||||||||||||||||
| 4 | 5 | 6 | 7 | 8 | 9 | 10 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |||||||
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | |||||||
| 18 | 19 | 20 | 21 | 22 | 23 | 24 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | |||||||
| 25 | 26 | 27 | 28 | 29 | 30 | 31 | 29 | 30 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | ||||||||||||
| Bradbury | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Adumah | 1 | 2 | 3 | 4 | 5 | Darius | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Sirius | 1 | 2 | 3 | 4 | 5 | 6 | 7 | |||||
| 8 | 9 | 10 | 11 | 12 | 13 | 14 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | |||||||
| 15 | 16 | 17 | 18 | 19 | 20 | 21 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | |||||||
| 22 | 23 | 24 | 25 | 26 | 27 | 28 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |||||||
| 29 | 30 | 31 | 27 | 28 | 29 | 30 | 29 | 30 | 29 | 30 | ||||||||||||||||||||||||
| Clarke | 1 | 2 | 3 | 4 | Kepler | 1 | 2 | 3 | Sagan | 1 | 2 | 3 | 4 | 5 | Hypatia | 1 | 2 | 3 | 4 | 5 | ||||||||||||||
| 5 | 6 | 7 | 8 | 9 | 10 | 11 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |||||||
| 12 | 13 | 14 | 15 | 16 | 17 | 18 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | |||||||
| 19 | 20 | 21 | 22 | 23 | 24 | 25 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | |||||||
| 26 | 27 | 28 | 29 | 30 | 31 | 25 | 26 | 27 | 28 | 29 | 30 | 27 | 28 | 29 | 30 | 31 | 27 | 28 | 29 | 30 | ||||||||||||||
| March | 1 | June | 1 | Tsiolkovsky | 1 | 2 | December | 1 | 2 | 3 | ||||||||||||||||||||||||
| 7 | 3 | 4 | 5 | 6 | 7 | 8 | 7 | 3 | 4 | 5 | 6 | 7 | 8 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |||||||
| 14 | 10 | 11 | 12 | 13 | 14 | 15 | 14 | 10 | 11 | 12 | 13 | 14 | 15 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | |||||||
| 21 | 17 | 18 | 19 | 20 | 21 | 22 | 21 | 17 | 18 | 19 | 20 | 21 | 22 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | |||||||
| 28 | 24 | 25 | 26 | 27 | 28 | 29 | 28 | 24 | 25 | 26 | 27 | 28 | 29 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |||||||
| 30 | 31 | 30 | ||||||||||||||||||||||||||||||||
| April | 1 | 2 | 3 | 4 | 5 | September | 1 | 2 | 3 | 4 | 5 | 6 | 7 | |||||||||||||||||||||
| 6 | 7 | 8 | 9 | 10 | 11 | 12 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | |||||||||||||||||||||
| 13 | 14 | 15 | 16 | 17 | 18 | 19 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | |||||||||||||||||||||
| 20 | 21 | 22 | 23 | 24 | 25 | 26 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |||||||||||||||||||||
| 27 | 28 | 29 | 30 | 29 | 30 |
Leap Sols in the Calendar Tables
| 1 | Vernal Equinox |
| 13 | Aphelion |
| 28 | Summer Solstice |
| 10 | Autumnal Equinox |
| 13 | Perihelion |
| 13 | Winter Solstice |
| 28 | Leap Sol |
NOTE: Dates shown for these events will vary due to intercalation.
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Accurate analytic representations of solar time and seasons on Mars with applications to the Pathfinder/Surveyor missions Michael Allison |
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What is a "Year" (on Earth or Mars)? Michael Allison |
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Mars Prime Meridian Michael Allison |
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A Mars Proleptic Calendar and Sol-Date Timing Reference Michael Allison |
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A post-Pathfinder evaluation of aerocentric solar coordinates with improved timing recipes for Mars seasonal/diurnal climate studies Michael Allison and Megan McEwan |
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Telling Time on Mars Michael Allison and Robert B. Schmunck |
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Time on Mars Michael Allison |
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Summary |
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Martian Time |
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Martian Time Survey 2.2 |