Dwadashi (द्वादशी) dates and timings in Perth for 2031
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 | 4 Jan 2031, 3:50 pm GMT+8 | 5 Jan 2031, 6:32 pm GMT+8 | 26 hr 42 min | Yes |
| 2 | 3 Feb 2031, 12:27 pm GMT+8 | 4 Feb 2031, 3:05 pm GMT+8 | 26 hr 38 min | Yes |
| 3 | 5 Mar 2031, 8:50 am GMT+8 | 6 Mar 2031, 10:36 am GMT+8 | 25 hr 46 min | Yes |
| 4 | 4 Apr 2031, 3:06 am GMT+8 | 5 Apr 2031, 3:37 am GMT+8 | 24 hr 31 min | Yes |
| 5 | 3 May 2031, 6:24 pm GMT+8 | 4 May 2031, 5:38 pm GMT+8 | 23 hr 14 min | Yes |
| 6 | 2 Jun 2031, 6:43 am GMT+8 | 3 Jun 2031, 4:51 am GMT+8 | 22 hr 8 min | Yes |
| 7 | 1 Jul 2031, 4:24 pm GMT+8 | 2 Jul 2031, 1:42 pm GMT+8 | 21 hr 19 min | Yes |
| 8 | 31 Jul 2031, 12:03 am GMT+8 | 31 Jul 2031, 8:53 pm GMT+8 | 20 hr 50 min | No |
| 9 | 29 Aug 2031, 6:30 am GMT+8 | 30 Aug 2031, 3:18 am GMT+8 | 20 hr 48 min | Yes |
| 10 | 27 Sept 2031, 12:50 pm GMT+8 | 28 Sept 2031, 10:07 am GMT+8 | 21 hr 17 min | Yes |
| 11 | 26 Oct 2031, 8:19 pm GMT+8 | 27 Oct 2031, 6:36 pm GMT+8 | 22 hr 17 min | Yes |
| 12 | 25 Nov 2031, 6:14 am GMT+8 | 26 Nov 2031, 5:51 am GMT+8 | 23 hr 37 min | Yes |
| 13 | 24 Dec 2031, 7:20 pm GMT+8 | 25 Dec 2031, 8:20 pm GMT+8 | 25 hr 0 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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