Dwadashi (द्वादशी) dates and timings in Perth for 1979
Verified astronomical start and end times for lunar day 12 in Perth, shown in Australia/Perth.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 9 Jan 1979, 7:55 am GMT+8 | 10 Jan 1979, 9:13 am GMT+8 | 25 hr 17 min | Yes |
| 2 | 8 Feb 1979, 12:43 am GMT+8 | 9 Feb 1979, 2:56 am GMT+8 | 26 hr 13 min | Yes |
| 3 | 9 Mar 1979, 7:23 pm GMT+8 | 10 Mar 1979, 10:02 pm GMT+8 | 26 hr 39 min | Yes |
| 4 | 8 Apr 1979, 2:32 pm GMT+8 | 9 Apr 1979, 4:52 pm GMT+8 | 26 hr 21 min | Yes |
| 5 | 8 May 1979, 8:31 am GMT+8 | 9 May 1979, 9:52 am GMT+8 | 25 hr 21 min | Yes |
| 6 | 7 Jun 1979, 12:08 am GMT+8 | 8 Jun 1979, 12:07 am GMT+8 | 23 hr 59 min | Yes |
| 7 | 6 Jul 1979, 1:02 pm GMT+8 | 7 Jul 1979, 11:41 am GMT+8 | 22 hr 39 min | Yes |
| 8 | 4 Aug 1979, 11:39 pm GMT+8 | 5 Aug 1979, 9:17 pm GMT+8 | 21 hr 38 min | Yes |
| 9 | 3 Sept 1979, 8:44 am GMT+8 | 4 Sept 1979, 5:46 am GMT+8 | 21 hr 3 min | Yes |
| 10 | 2 Oct 1979, 5:02 pm GMT+8 | 3 Oct 1979, 1:56 pm GMT+8 | 20 hr 54 min | Yes |
| 11 | 1 Nov 1979, 1:11 am GMT+8 | 1 Nov 1979, 10:20 pm GMT+8 | 21 hr 9 min | No |
| 12 | 30 Nov 1979, 9:45 am GMT+8 | 1 Dec 1979, 7:33 am GMT+8 | 21 hr 49 min | Yes |
| 13 | 29 Dec 1979, 7:25 pm GMT+8 | 30 Dec 1979, 6:16 pm GMT+8 | 22 hr 51 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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