Dwadashi (द्वादशी) dates and timings in Perth for 2011
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 | 16 Jan 2011, 11:31 am GMT+8 | 17 Jan 2011, 10:59 am GMT+8 | 23 hr 29 min | Yes |
| 2 | 15 Feb 2011, 3:28 am GMT+8 | 16 Feb 2011, 1:40 am GMT+8 | 22 hr 12 min | Yes |
| 3 | 16 Mar 2011, 3:59 pm GMT+8 | 17 Mar 2011, 1:12 pm GMT+8 | 21 hr 13 min | Yes |
| 4 | 15 Apr 2011, 1:10 am GMT+8 | 15 Apr 2011, 9:54 pm GMT+8 | 20 hr 43 min | No |
| 5 | 14 May 2011, 7:53 am GMT+8 | 15 May 2011, 4:41 am GMT+8 | 20 hr 48 min | Yes |
| 6 | 12 Jun 2011, 1:26 pm GMT+8 | 13 Jun 2011, 10:50 am GMT+8 | 21 hr 24 min | Yes |
| 7 | 11 Jul 2011, 7:13 pm GMT+8 | 12 Jul 2011, 5:35 pm GMT+8 | 22 hr 22 min | Yes |
| 8 | 10 Aug 2011, 2:31 am GMT+8 | 11 Aug 2011, 2:03 am GMT+8 | 23 hr 32 min | Yes |
| 9 | 8 Sept 2011, 12:24 pm GMT+8 | 9 Sept 2011, 1:06 pm GMT+8 | 24 hr 43 min | Yes |
| 10 | 8 Oct 2011, 1:34 am GMT+8 | 9 Oct 2011, 3:19 am GMT+8 | 25 hr 45 min | Yes |
| 11 | 6 Nov 2011, 6:16 pm GMT+8 | 7 Nov 2011, 8:43 pm GMT+8 | 26 hr 27 min | Yes |
| 12 | 6 Dec 2011, 1:57 pm GMT+8 | 7 Dec 2011, 4:32 pm GMT+8 | 26 hr 35 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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