THE DARIAN SYSTEM

Abstract

Figures and Tables

1.0 The Darian Calendar for Mars

1.1 Introduction

1.2 Years

1.2.1 An Extended Intercalation Scheme

1.3 Months and Seasons

1.4 Weeks

1.4.1 The Martiana Calendar

1.5 The Telescopic Epoch

1.6 Darian-Gregorian Calendar Displays

1.7 Children and Collateral Relatives

2.0 The Calendars of Jupiter

2.1 Introduction

2.2 Circads

2.3 Years

2.4 Weeks

2.5 Months

2.6 Intercalation

2.7 Calibration

2.8 Variations on a Martian Theme

3.0 The Darian Calendar for Titan

3.1 Overview of the Darian Calendar System

3.2 Astronomical Cycles on Titan

3.3 Circads and Weeks

3.4 Months and Years

3.5 Intercalation

3.6 Calibration

4.0 Conclusion

5.0 References

Appendix 1: Intercalation Precision on Mars

Appendix 2: Perturbations of Mars

Appendix 3: Martian Daylight Time


Martian Time

Martian Time

Martian Time Survey

Martian Time Survey 2.2

THE DARIAN SYSTEM

Copyright 1986-2005 by Thomas Gangale

CONJUNCTIONS OF MARS
(SUPERIOR CONJUNCTIONS OF EARTH)

Gregorian Date UTC Julian Day Darian Date AMT Julian Sol
1611 October 08 7:15 2309745.802 001 Aries 24 8:38 915.360
1613 November 18 22:55 2310518.455 002 Rishabha 23 8:09 1667.339
1616 January 14 14:16 2311305.094 003 Karka 22:22 2432.932
1618 March 27 13:19 2312108.055 004 Kanya 11 9:48 3214.409
1620 May 27 4:44 2312899.697 005 Vrishika 01 20:53 3984.870
1622 July 11 18:22 2313675.265 007 Capricornus 04 16:30 4739.687
1624 August 17 23:54 2314443.496 008 Aquarius 27 8:43 5487.363
1626 September 23 13:47 2315210.074 009 Mina 22 10:21 6233.431
1628 November 01 6:57 2315979.790 010 Taurus 18 13:15 6982.552
1630 December 21 3:47 2316759.658 011 Mithuna 25 13:18 7741.554
1633 February 26 16:11 2317558.174 012 Simha 21 16:57 8518.706
1635 May 06 15:35 2318357.149 013 Tula 20 7:18 9296.304
1637 June 25 8:31 2319137.855 015 Sagittarius 28 2:55 10056.121
1639 August 04 14:50 2319908.118 016 Makara 24 18:37 10805.776
1641 September 09 6:20 2320674.764 017 Pisces 19 21:49 11551.909
1643 October 17 2:33 2321442.606 018 Mesha 14 4:59 12299.207
1645 November 29 21:24 2322217.392 019 Gemini 17 6:18 13053.263
1648 January 29 18:42 2323008.279 020 Leo 05 23:45 13822.990
1650 April 11 20:41 2323811.362 021 Libra 07 14:03 14604.585
1652 June 07 7:34 2324598.815 022 Vrishika 20 23:17 15370.970
1654 July 20 16:07 2325372.172 024 Capricornus 21 15:14 16123.634
1656 August 26 2:42 2326139.613 025 Kumbha 16 13:00 16870.542
1658 October 01 21:59 2326906.416 026 Aries 10 19:54 17616.829
1660 November 11 2:30 2327677.604 027 Rishabha 09 9:12 18367.384
1663 January 03 12:43 2328461.030 028 Cancer 19 20:21 19129.848
1665 March 15 2:59 2329262.624 029 Virgo 20 23:53 19909.995
1667 May 19 5:00 2330057.708 030 Scorpius 13 19:21 20683.806
1669 July 04 21:01 2330835.376 032 Dhanus 17 16:00 21440.667
1671 August 12 21:47 2331604.408 033 Aquarius 14 2:57 22189.123
1673 September 17 10:13 2332334.926 034 Pisces 01 2:17 22900.095
1675 October 26 4:20 2333139.681 035 Taurus 04 7:38 23683.318
1677 December 11 13:50 2333917.076 036 Mithuna 08 21:57 24439.914
1680 February 14 20:50 2334712.368 037 Simha 02 22:16 25213.927
1682 April 26 7:31 2335513.813 038 Tula 02 22:18 25993.929
1684 June 17 20:05 2336297.337 040 Sagittarius 13 11:45 26756.489
1686 July 29 7:52 2337068.828 041 Makara 11 8:07 27507.338
1688 September 03 5:32 2337835.731 042 Pisces 05 17:20 28253.722
1690 October 10 12:23 2338603.016 043 Aries 28 11:29 29000.478
1692 November 21 12:34 2339376.024 044 Rishabha 27 19:17 29752.804
1695 January 17 22:09 2340163.423 045 Karka 15 3:15 30519.136
1697 March 31 1:51 2340966.577 046 Kanya 16 19:13 31300.801
1699 May 30 22:20 2341757.431 047 Vrishika 06 11:52 32070.494
1701 July 15 1:09 2342532.548 049 Capricornus 08 20:57 32824.873
1703 August 22 2:03 2343300.585 050 Kumbha 03 8:40 33572.361
1705 September 26 15:37 2344067.151 051 Mina 25 10:00 34318.416
1707 November 05 14:46 2344837.115 052 Taurus 21 18:43 35067.780
1709 December 25 3:24 2345617.642 053 Cancer 02 10:09 35827.423
1712 March 03 8:29 2346416.853 054 Simha 27 6:02 36605.251
1714 May 10 15:39 2347215.152 055 Tula 25 4:35 37382.191
1716 June 28 17:26 2347995.226 057 Dhanus 04 9:27 38141.394
1718 August 07 17:44 2348765.239 058 Makara 28 19:18 38890.804
1720 September 12 8:18 2349531.846 059 Pisces 23 21:36 39636.900
1722 October 20 8:02 2350299.835 060 Mesha 18 8:10 40384.341
1724 December 03 13:48 2351075.075 061 Gemini 20 20:08 41138.839
1727 February 03 8:31 2351866.855 062 Leo 10 10:25 41909.434
1729 April 16 7:37 2352669.817 063 Libra 12 21:54 42690.913
1731 June 11 23:23 353456.474 064 Vrishika 25 12:32 43456.522
1733 July 23 22:06 2354229.421 066 Capricornus 25 18:54 44208.788
1735 August 30 5:18 2354996.721 067 Kumbha 20 13:24 44955.558
1737 October 05 2:06 2355763.588 068 Aries 14 21:46 45701.907
1739 November 15 14:08 2356535.089 069 Rishabha 13 18:23 46452.766
1742 January 07 16:56 2357319.206 070 Cancer 24 21:41 47215.903
1744 March 19 17:31 2358121.230 071 Virgo 25 11:15 47996.469
1746 May 23 1:22 2358915.557 072 Scorpius 17 13:02 48769.543
1748 July 08 4:53 2359692.703 074 Dhanus 21 21:31 49525.896
1750 August 16 0:11 2360461.508 075 Aquarius 18 3:08 50274.131
1752 September 20 11:44 2361227.989 076 Mina 12 2:30 51020.104
1754 October 29 10:39 2361996.944 077 Taurus 08 11:39 51768.485
1756 December 15 9:42 2362774.904 078 Mithuna 13 15:08 52525.631
1759 February 19 12:56 2363571.039 079 Simha 08 11:09 53300.464
1761 April 30 11:26 2364371.976 080 Tula 07 23:20 54079.972
1763 June 22 7:09 2365154.798 082 Sagittarius 16 20:22 54841.849
1765 August 01 11:46 2365925.990 083 Makara 15 9:46 55592.407
1767 September 07 7:33 2366692.815 084 Pisces 09 17:09 56338.715
1769 October 13 16:44 2367460.197 085 Mesha 04 13:34 57085.565
1771 November 26 2:10 2368233.590 086 Gemini 05 6:23 57838.266
1774 January 22 7:49 2369021.826 087 Karka 20 9:52 58605.411
1776 April 04 15:40 2369825.153 088 Kanya 22 5:53 59387.245
1778 June 03 16:47 2370615.199 089 Vrishika 11 3:41 60156.153
1780 July 17 7:59 2371389.833 091 Capricornus 12 1:27 60910.061
1782 August 24 4:37 2372157.692 092 Kumbha 06 9:01 61657.376
1784 September 28 19:08 2372924.297 093 Aries 01 11:16 62403.470
1786 November 08 0:39 2373694.527 094 Taurus 26 2:12 63153.091
1788 December 28 4:03 2374475.669 095 Cancer 07 8:00 63913.333
1791 March 08 0:47 2375275.533 096 Virgo 05 19:06 64691.796
1793 May 13 15:09 2376073.131 097 Scorpius 02 1:18 65468.054
1795 July 02 3:08 2376852.631 099 Dhanus 08 16:45 66226.698
1797 August 09 21:13 2377622.384 100 Aquarius 04 20:32 66975.856
1799 September 15 9:47 2378388.908 101 Pisces 27 20:54 67721.871
1801 October 23 12:53 2379157.037 102 Mesha 22 10:45 68469.448
1803 December 08 6:24 2379932.767 103 Gemini 26 10:08 69224.423
1806 February 07 22:02 2380725.418 104 Leo 16 20:47 69995.866
1808 April 20 15:10 2381528.132 105 Libra 19 2:28 70777.103
1810 June 15 12:41 2382314.028 107 Sagittarius 03 23:20 71541.972
1812 July 27 2:18 2383086.596 108 Makara 02 20:51 72293.869
1814 September 02 7:04 2383853.794 109 Kumbha 25 12:58 73040.540
1816 October 08 5:43 2384620.738 110 Aries 19 23:08 73786.964
1818 November 19 1:14 2385392.551 111 Rishabha 18 3:03 74538.127
1821 January 11 22:23 2386177.433 112 Kanya 02 0:12 75302.008
1823 March 25 10:16 2386979.928 113 Kanya 04 0:46 76083.032
1825 May 26 22:37 2387773.442 114 Scorpius 23 7:34 76855.315
1827 July 12 13:25 2388550.059 116 Dhanus 27 3:41 77611.153
1829 August 19 3:34 2389318.649 117 Aquarius 23 4:17 78359.179
1831 September 24 14:47 2390085.116 118 Mina 17 3:20 79105.139
1833 November 01 18:54 2390854.288 119 Taurus 13 17:32 79853.730
1835 December 20 7:10 2391632.799 120 Mithuna 19 9:53 80611.412
1838 February 24 4:34 2392429.690 121 Simha 13 23:34 81386.982
1840 May 04 14:15 2393230.094 122 Tula 12 23:17 82165.970
1842 June 25 18:41 2394012.278 124 Sagittarius 22 5:27 82927.227
1844 August 04 15:30 2394783.146 125 Makara 20 11:16 83677.469
1846 September 10 8:51 2395549.869 126 Pisces 14 16:16 84423.678
1848 October 16 20:32 2396317.356 127 Mesha 09 15:08 85170.630
1850 November 29 15:36 2397091.150 128 Gemini 10 17:19 85923.721
1853 January 26 17:59 2397880.249 129 Karka 26 16:59 86691.708
1855 April 10 3:30 2398683.646 130 Kanya 28 14:37 87473.609
1857 June 07 8:27 2399472.852 131 Vrishika 15 16:47 88241.699
1859 July 21 13:20 2400247.056 133 Capricornus 17 4:31 88995.188
1861 August 27 6:55 2401014.788 134 Kumbha 11 9:07 89742.380
1863 October 02 22:08 2401781.422 135 Aries 06 12:03 90488.502
1865 November 11 9:44 2402551.906 136 Rishabha 03 8:53 91238.370
1868 January 02 5:32 2403333.731 137 Cancer 13 6:39 91999.277
1870 March 12 18:05 2404134.253 138 Virgo 12 9:09 92778.382
1872 May 17 15:25 2404931.142 139 Scorpius 07 22:47 93553.949
1874 July 05 13:20 2405710.056 141 Dhanus 13 0:32 94312.022
1876 August 13 0:30 2406479.521 142 Aquarius 08 21:35 95060.900
1878 September 18 12:13 2407246.009 143 Mina 03 21:07 95806.880
1880 October 25 19:45 2408014.323 144 Mesha 26 15:17 96554.637
1882 December 11 0:31 2408425.522 145 Mithuna 03 1:38 97310.068
1885 February 11 11:59 2409217.999 146 Makara 28 2:36 97726.108
1887 April 24 22:11 2410386.424 147 Libra 24 6:30 98863.271
1889 June 18 2:02 2411171.585 149 Sagittarius 08 10:11 99627.424
1891 July 30 7:04 2411943.794 150 Makara 06 23:21 100378.973
1893 September 04 9:00 2412710.875 151 Pisces 01 12:42 101125.530
1895 October 11 8:38 2413477.860 152 Aries 22 23:50 101871.993
1897 November 21 12:11 2414250.008 153 Rishabha 22 11:33 102623.482
1900 January 16 4:49 2415035.701 154 Karka 07 3:40 103388.153
1902 March 30 0:47 2415828.533 155 Virgo 27 18:32 104159.772
1904 May 30 17:06 2416631.213 156 Scorpius 27 23:25 104940.976
1906 July 15 19:57 2417407.331 158 Capricornus 03 7:53 105696.329
1908 August 22 5:24 2418175.725 159 Aquarius 27 3:56 106444.164
1910 September 27 17:00 2418942.208 160 Mina 21 3:20 107190.139
1912 November 05 2:17 2419711.595 161 Taurus 16 22:34 107938.940
1914 December 24 4:19 2420490.680 162 Mithuna 23 4:20 108697.180
1917 February 28 21:09 2421288.259 163 Simha 19 10:04 109473.420
1919 May 09 18:13 2422088.259 164 Tula 18 0:22 110252.015
1921 June 29 6:26 2422869.768 166 Sagittarius 26 14:44 111012.614
1923 August 08 19:35 2423640.316 167 Makara 24 13:05 111762.546
1925 September 13 11:31 2424406.980 168 Pisces 18 16:43 112508.697
1927 October 21 2:09 2425174.590 169 Mesha 13 18:27 113255.769
1929 December 03 7:11 2425948.799 170 Gemini 15 6:20 114009.264
1932 February 01 5:31 2426738.730 171 Leo 03 1:25 114778.059
1934 April 14 13:54 2427542.079 172 Libra 04 21:57 115559.914
1936 June 11 0:01 2428331.079 173 Vrishika 20 19:18 116327.804
1938 July 24 19:08 2429104.297 175 Capricornus 21 8:01 117080.334
1940 August 30 8:30 2429871.854 176 Kumbha 15 8:31 117827.355
1942 October 06 0:06 2430638.504 177 Aries 10 11:49 118573.492
1944 November 14 18:28 2431409.269 178 Rishabha 07 15:15 119323.635
1947 January 06 7:15 2432191.802 179 Cancer 18 5:32 120085.231
1949 March 17 10:14 2432992.926 180 Virgo 17 22:05 120864.920
1951 May 22 13:22 2433789.057 181 Scorpius 11 18:00 121639.750
1953 July 08 21:00 2434567.375 183 Dhanus 17 5:51 122397.243
1955 August 17 2:46 2435336.615 184 Aquarius 12 21:39 123145.902
1957 September 21 14:29 2436103.103 185 Mina 07 21:11 123891.882
1959 October 30 1:46 2436871.574 186 Taurus 02 19:00 124639.792
1961 December 14 18:29 2437648.270 187 Mithuna 07 16:58 125395.707
1964 February 17 2:57 2438442.623 188 Leo 27 19:21 126168.806
1966 April 29 5:29 2439244.741 189 Tula 01 11:07 126949.463
1968 June 21 15:47 2440029.158 191 Sagittarius 11 21:25 127712.892
1970 August 02 12:01 2440801.001 192 Makara 10 2:01 128464.084
1972 September 07 10:57 2441567.956 193 Pisces 05 12:28 129210.519
1974 October 14 12:56 442335.039 194 Aries 27 1:52 129957.078
1976 November 25 1:20 2443107.556 195 Rishabha 26 22;13 130708.926
1979 January 20 12:18 2443894.012 196 Karka 12 8:10 131474.340
1981 April 02 14:13 2444697.092 197 Kanya 14 22:24 132255.933
1983 June 03 11:21 2445488.973 198 Vrishika 04 15:02 133026.626
1985 July 18 2:41 2446264.612 200 Capricornus 07 12:18 133781.512
1987 August 25 7:32 2447032.814 201 Kumbha 03 3:52 134529.161
1989 September 29 19:00 2447799.292 202 Mina 25 3:09 135275.131
1991 November 08 9:16 2448568.886 203 Taurus 22 3:13 136024.134
1993 December 27 2:28 2449348.603 204 Mithuna 28 23:44 136782.989
1996 March 04 14:02 2450147.085 205 Simha 26 2:34 137560.107
1998 May 12 19:47 2450946.324 206 Tula 23 23:06 138337.962
2000 July 01 15:50 2451727.160 208 Dhanus 03 21:48 139097.906
2002 August 10 22:17 2452497.012 209 Aquarius 01 3:51 139847.160
2004 September 15 12:55 2453264.038 210 Pisces 23 15:57 140593.664
2006 October 23 6:46 2454031.782 211 Meshaha 17 20:48 141340.867
2008 December 05 22:04 2454806.419 212 Gemini 19 18:40 142094.778
2011 February 04 16:40 2455597.194 213 Leo 09 9:29 142864.395
2013 April 18 0:20 2456400.514 214 Libra 11 5:19 143646.221
2015 June 14 15:56 2457188.164 215 Vrishika 25 19:08 144412.797
2017 July 27 0:57 2457961.540 217 Capricornus 26 11:32 145165.481
2019 September 02 10:42 2458728.946 218 Kumbha 20 8:30 145912.355
2021 October 08 4:01 2459495.667 219 Aries 15 13:29 146658.562
2023 November 18 5:41 2460266.737 220 Rishabha 13 0:01 147409.001
2026 January 09 11:41 2461049.987 221 Cancer 23 7:04 148171.294
2028 March 21 2:35 2461851.608 222 Virgo 23 11:13 148951.467
2030 May 25 10:50 2462646.951 223 Scorpius 17 12:45 149725.531
2032 July 11 5:16 2463424.719 225 Dhanus 22 11:45 150482.489
2034 August 19 5:22 2464193.724 226 Aquarius 17 22:02 151230.918
2036 September 23 15:44 2464960.156 227 Mina 12 20:15 151976.844
2038 November 01 7:00 2465728.792 228 Taurus 7 21:57 152724.915
2040 December 17 12:49 2466506.034 229 Mithuna 13 8:40 153481.361
2043 February 20 17:46 2467301.240 230 Simha 06 6:59 154255.291
2045 May 02 10:42 2468102.946 231 Tula 06 13:07 155035.547
2047 June 25 2:56 2468886.622 233 Sagittarius 17 6:07 155798.255
2049 August 04 15:15 2469658.135 234 Makara 15 3:01 156549.126
2051 September 10 12:23 2470425.016 235 Pisces 10 11:43 157295.488
2053 October 16 16:58 2471192.207 236 Mesha 04 3:39 158042.152
2055 November 28 13:51 2471965.077 237 Gemini 05 8:15 158794.344
2058 January 23 20:22 2472752.349 238 Karka 18 13:14 159560.551
2060 April 06 3:54 2473555.663 239 Kanya 21 8:56 160342.372
2062 June 06 6:04 2474346.753 240 Vrishika 10 7:06 161112.296
2064 July 20 10:02 2475121.918 242 Capricornus 11 17:19 161866.721
2066 August 27 9:57 2475889.915 243 Kumbha 07 4:04 162614.169
2068 October 01 21:50 2476656.410 244 Aries 01 3:45 163360.156
2070 November 10 18:25 2477426.267 245 Taurus 26 9:59 164109.416
2072 December 30 2:53 2478206.620 246 Cancer 05 21:21 164868.890
2075 March 09 6:50 2479005.785 247 Virgo 04 16:08 165646.672
2077 May 15 20:34 2479804.357 248 Tula 28 21:05 166423.878
2079 July 05 1:18 2480584.554 250 Dhanus 08 4:49 167183.201
2081 August 13 1:25 2481354.559 251 Aquarius 04 14:29 167932.604
2083 September 18 14:20 2482121.097 252 Pisces 26 15:11 168678.632
2085 October 25 11:03 2482888.960 253 Mesha 21 22:29 169425.951
2087 December 09 13:22 2483664.057 254 Gemini 24 7:25 170180.309
2090 February 08 5:27 2484455.727 255 Leo 14 19:09 170950.798
2092 April 21 9:35 2485258.899 256 Libra 16 11:32 171732.480
2094 June 17 5:44 2486045.739 258 Sagittarius 03 6:25 172498.268
2096 July 29 5:26 2486818.726 259 Makara 02 13:45 173250.573
2098 September 04 12:02 2487586.001 260 Kumbha 24 7:40 173997.319