Dwadashi (द्वादशी) dates and timings in Adelaide for 1981
Verified astronomical start and end times for lunar day 12 in Adelaide, shown in Australia/Adelaide.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 17 Jan 1981, 12:55 am GMT+10:30 | 17 Jan 1981, 10:49 pm GMT+10:30 | 21 hr 53 min | No |
| 2 | 15 Feb 1981, 10:42 am GMT+10:30 | 16 Feb 1981, 9:48 am GMT+10:30 | 23 hr 6 min | Yes |
| 3 | 16 Mar 1981, 8:57 pm GMT+9:30 | 17 Mar 1981, 9:21 pm GMT+9:30 | 24 hr 24 min | Yes |
| 4 | 15 Apr 1981, 9:52 am GMT+9:30 | 16 Apr 1981, 11:21 am GMT+9:30 | 25 hr 29 min | Yes |
| 5 | 15 May 1981, 12:16 am GMT+9:30 | 16 May 1981, 2:26 am GMT+9:30 | 26 hr 11 min | Yes |
| 6 | 13 Jun 1981, 3:47 pm GMT+9:30 | 14 Jun 1981, 6:11 pm GMT+9:30 | 26 hr 24 min | Yes |
| 7 | 13 Jul 1981, 8:01 am GMT+9:30 | 14 Jul 1981, 10:08 am GMT+9:30 | 26 hr 7 min | Yes |
| 8 | 12 Aug 1981, 12:28 am GMT+9:30 | 13 Aug 1981, 1:47 am GMT+9:30 | 25 hr 19 min | Yes |
| 9 | 10 Sept 1981, 4:29 pm GMT+9:30 | 11 Sept 1981, 4:35 pm GMT+9:30 | 24 hr 6 min | Yes |
| 10 | 10 Oct 1981, 7:23 am GMT+9:30 | 11 Oct 1981, 6:07 am GMT+9:30 | 22 hr 44 min | Yes |
| 11 | 8 Nov 1981, 9:41 pm GMT+10:30 | 9 Nov 1981, 7:16 pm GMT+10:30 | 21 hr 35 min | Yes |
| 12 | 8 Dec 1981, 9:21 am GMT+10:30 | 9 Dec 1981, 6:16 am GMT+10:30 | 20 hr 55 min | Yes |
How these timings are calculated
BDA calculates the geocentric angular separation of the Moon and Sun and divides the full cycle into 30 equal 12-degree Tithi sectors. UTC boundaries are converted to the timezone resolved from the listed city coordinates.
Scope: These are astronomical Tithi spans only. This page does not choose a festival, Vrat, Parana, or Muhurta date. Those decisions require their separately certified sunrise-prevalence and observance rules.
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