Dwadashi (द्वादशी) dates and timings in Adelaide for 1980
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 | 28 Jan 1980, 9:28 am GMT+10:30 | 29 Jan 1980, 9:38 am GMT+10:30 | 24 hr 10 min | Yes |
| 2 | 26 Feb 1980, 11:24 pm GMT+10:30 | 28 Feb 1980, 12:53 am GMT+10:30 | 25 hr 29 min | Yes |
| 3 | 27 Mar 1980, 2:33 pm GMT+9:30 | 28 Mar 1980, 4:57 pm GMT+9:30 | 26 hr 24 min | Yes |
| 4 | 26 Apr 1980, 7:55 am GMT+9:30 | 27 Apr 1980, 10:32 am GMT+9:30 | 26 hr 37 min | Yes |
| 5 | 26 May 1980, 1:13 am GMT+9:30 | 27 May 1980, 3:20 am GMT+9:30 | 26 hr 7 min | Yes |
| 6 | 24 Jun 1980, 5:28 pm GMT+9:30 | 25 Jun 1980, 6:36 pm GMT+9:30 | 25 hr 8 min | Yes |
| 7 | 24 Jul 1980, 8:16 am GMT+9:30 | 25 Jul 1980, 8:14 am GMT+9:30 | 23 hr 58 min | Yes |
| 8 | 22 Aug 1980, 9:38 pm GMT+9:30 | 23 Aug 1980, 8:26 pm GMT+9:30 | 22 hr 48 min | Yes |
| 9 | 21 Sept 1980, 9:40 am GMT+9:30 | 22 Sept 1980, 7:27 am GMT+9:30 | 21 hr 47 min | Yes |
| 10 | 20 Oct 1980, 8:26 pm GMT+9:30 | 21 Oct 1980, 5:29 pm GMT+9:30 | 21 hr 4 min | Yes |
| 11 | 19 Nov 1980, 7:04 am GMT+10:30 | 20 Nov 1980, 3:51 am GMT+10:30 | 20 hr 47 min | Yes |
| 12 | 18 Dec 1980, 4:00 pm GMT+10:30 | 19 Dec 1980, 1:03 pm GMT+10:30 | 21 hr 4 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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