Dwadashi (द्वादशी) dates and timings in Perth for 2009
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 | 8 Jan 2009, 2:28 am GMT+9 | 8 Jan 2009, 11:18 pm GMT+9 | 20 hr 50 min | No |
| 2 | 6 Feb 2009, 12:13 pm GMT+9 | 7 Feb 2009, 9:11 am GMT+9 | 20 hr 58 min | Yes |
| 3 | 7 Mar 2009, 8:48 pm GMT+9 | 8 Mar 2009, 6:19 pm GMT+9 | 21 hr 31 min | Yes |
| 4 | 6 Apr 2009, 3:50 am GMT+8 | 7 Apr 2009, 2:12 am GMT+8 | 22 hr 22 min | Yes |
| 5 | 5 May 2009, 12:06 pm GMT+8 | 6 May 2009, 11:30 am GMT+8 | 23 hr 24 min | Yes |
| 6 | 3 Jun 2009, 9:31 pm GMT+8 | 4 Jun 2009, 10:03 pm GMT+8 | 24 hr 32 min | Yes |
| 7 | 3 Jul 2009, 8:57 am GMT+8 | 4 Jul 2009, 10:34 am GMT+8 | 25 hr 38 min | Yes |
| 8 | 1 Aug 2009, 10:57 pm GMT+8 | 3 Aug 2009, 1:21 am GMT+8 | 26 hr 25 min | Yes |
| 9 | 31 Aug 2009, 3:26 pm GMT+8 | 1 Sept 2009, 6:01 pm GMT+8 | 26 hr 34 min | Yes |
| 10 | 30 Sept 2009, 9:36 am GMT+8 | 1 Oct 2009, 11:34 am GMT+8 | 25 hr 59 min | Yes |
| 11 | 30 Oct 2009, 4:06 am GMT+8 | 31 Oct 2009, 4:53 am GMT+8 | 24 hr 47 min | Yes |
| 12 | 28 Nov 2009, 9:43 pm GMT+8 | 29 Nov 2009, 9:08 pm GMT+8 | 23 hr 25 min | Yes |
| 13 | 28 Dec 2009, 1:38 pm GMT+8 | 29 Dec 2009, 11:51 am GMT+8 | 22 hr 13 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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