Dwadashi (द्वादशी) dates and timings in Perth for 1911
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 | 11 Jan 1911, 6:44 pm GMT+8 | 12 Jan 1911, 3:47 pm GMT+8 | 21 hr 2 min | Yes |
| 2 | 10 Feb 1911, 3:44 am GMT+8 | 11 Feb 1911, 1:15 am GMT+8 | 21 hr 31 min | Yes |
| 3 | 11 Mar 1911, 12:18 pm GMT+8 | 12 Mar 1911, 10:43 am GMT+8 | 22 hr 25 min | Yes |
| 4 | 9 Apr 1911, 9:25 pm GMT+8 | 10 Apr 1911, 9:01 pm GMT+8 | 23 hr 37 min | Yes |
| 5 | 9 May 1911, 8:01 am GMT+8 | 10 May 1911, 8:55 am GMT+8 | 24 hr 54 min | Yes |
| 6 | 7 Jun 1911, 8:40 pm GMT+8 | 8 Jun 1911, 10:38 pm GMT+8 | 25 hr 58 min | Yes |
| 7 | 7 Jul 1911, 11:20 am GMT+8 | 8 Jul 1911, 1:49 pm GMT+8 | 26 hr 30 min | Yes |
| 8 | 6 Aug 1911, 3:29 am GMT+8 | 7 Aug 1911, 5:51 am GMT+8 | 26 hr 21 min | Yes |
| 9 | 4 Sept 1911, 8:27 pm GMT+8 | 5 Sept 1911, 10:06 pm GMT+8 | 25 hr 39 min | Yes |
| 10 | 4 Oct 1911, 1:34 pm GMT+8 | 5 Oct 1911, 2:09 pm GMT+8 | 24 hr 35 min | Yes |
| 11 | 3 Nov 1911, 6:13 am GMT+8 | 4 Nov 1911, 5:35 am GMT+8 | 23 hr 22 min | Yes |
| 12 | 2 Dec 1911, 9:40 pm GMT+8 | 3 Dec 1911, 7:51 pm GMT+8 | 22 hr 12 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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