Dwadashi (द्वादशी) dates and timings in Perth for 1921
Verified astronomical start and end times for lunar day 12 in Perth, shown in Australia/Perth.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 20 Jan 1921, 9:23 pm GMT+8 | 21 Jan 1921, 6:22 pm GMT+8 | 20 hr 58 min | Yes |
| 2 | 19 Feb 1921, 7:16 am GMT+8 | 20 Feb 1921, 4:01 am GMT+8 | 20 hr 45 min | Yes |
| 3 | 20 Mar 1921, 3:12 pm GMT+8 | 21 Mar 1921, 12:19 pm GMT+8 | 21 hr 6 min | Yes |
| 4 | 18 Apr 1921, 10:15 pm GMT+8 | 19 Apr 1921, 8:12 pm GMT+8 | 21 hr 57 min | Yes |
| 5 | 18 May 1921, 5:36 am GMT+8 | 19 May 1921, 4:41 am GMT+8 | 23 hr 5 min | Yes |
| 6 | 16 Jun 1921, 2:16 pm GMT+8 | 17 Jun 1921, 2:32 pm GMT+8 | 24 hr 17 min | Yes |
| 7 | 16 Jul 1921, 1:00 am GMT+8 | 17 Jul 1921, 2:20 am GMT+8 | 25 hr 20 min | Yes |
| 8 | 14 Aug 1921, 2:16 pm GMT+8 | 15 Aug 1921, 4:22 pm GMT+8 | 26 hr 6 min | Yes |
| 9 | 13 Sept 1921, 6:12 am GMT+8 | 14 Sept 1921, 8:39 am GMT+8 | 26 hr 27 min | Yes |
| 10 | 13 Oct 1921, 12:27 am GMT+8 | 14 Oct 1921, 2:42 am GMT+8 | 26 hr 14 min | Yes |
| 11 | 11 Nov 1921, 7:59 pm GMT+8 | 12 Nov 1921, 9:21 pm GMT+8 | 25 hr 23 min | Yes |
| 12 | 11 Dec 1921, 3:06 pm GMT+8 | 12 Dec 1921, 3:08 pm GMT+8 | 24 hr 1 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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