Trayodashi (त्रयोदशी) dates and timings in Perth for 2009
Verified astronomical start and end times for lunar day 28 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 | 23 Jan 2009, 9:28 am GMT+9 | 24 Jan 2009, 12:08 pm GMT+9 | 26 hr 40 min | Yes |
| 2 | 22 Feb 2009, 5:49 am GMT+9 | 23 Feb 2009, 7:53 am GMT+9 | 26 hr 5 min | Yes |
| 3 | 24 Mar 2009, 12:38 am GMT+9 | 25 Mar 2009, 1:26 am GMT+9 | 24 hr 48 min | Yes |
| 4 | 22 Apr 2009, 3:25 pm GMT+8 | 23 Apr 2009, 2:43 pm GMT+8 | 23 hr 17 min | Yes |
| 5 | 22 May 2009, 3:52 am GMT+8 | 23 May 2009, 1:49 am GMT+8 | 21 hr 58 min | Yes |
| 6 | 20 Jun 2009, 1:31 pm GMT+8 | 21 Jun 2009, 10:34 am GMT+8 | 21 hr 3 min | Yes |
| 7 | 19 Jul 2009, 9:21 pm GMT+8 | 20 Jul 2009, 5:58 pm GMT+8 | 20 hr 37 min | Yes |
| 8 | 18 Aug 2009, 4:19 am GMT+8 | 19 Aug 2009, 12:57 am GMT+8 | 20 hr 38 min | Yes |
| 9 | 16 Sept 2009, 11:18 am GMT+8 | 17 Sept 2009, 8:21 am GMT+8 | 21 hr 3 min | Yes |
| 10 | 15 Oct 2009, 7:08 pm GMT+8 | 16 Oct 2009, 5:01 pm GMT+8 | 21 hr 53 min | Yes |
| 11 | 14 Nov 2009, 4:46 am GMT+8 | 15 Nov 2009, 3:50 am GMT+8 | 23 hr 4 min | Yes |
| 12 | 13 Dec 2009, 5:06 pm GMT+8 | 14 Dec 2009, 5:37 pm GMT+8 | 24 hr 31 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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