Trayodashi (त्रयोदशी) dates and timings in Perth for 2013
Verified astronomical start and end times for lunar day 28 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 | 9 Jan 2013, 1:49 pm GMT+8 | 10 Jan 2013, 10:31 am GMT+8 | 20 hr 42 min | Yes |
| 2 | 7 Feb 2013, 11:21 pm GMT+8 | 8 Feb 2013, 8:32 pm GMT+8 | 21 hr 11 min | Yes |
| 3 | 9 Mar 2013, 8:26 am GMT+8 | 10 Mar 2013, 6:34 am GMT+8 | 22 hr 8 min | Yes |
| 4 | 7 Apr 2013, 5:54 pm GMT+8 | 8 Apr 2013, 5:20 pm GMT+8 | 23 hr 26 min | Yes |
| 5 | 7 May 2013, 4:42 am GMT+8 | 8 May 2013, 5:31 am GMT+8 | 24 hr 49 min | Yes |
| 6 | 5 Jun 2013, 5:21 pm GMT+8 | 6 Jun 2013, 7:18 pm GMT+8 | 25 hr 57 min | Yes |
| 7 | 5 Jul 2013, 7:48 am GMT+8 | 6 Jul 2013, 10:18 am GMT+8 | 26 hr 30 min | Yes |
| 8 | 3 Aug 2013, 11:33 pm GMT+8 | 5 Aug 2013, 1:56 am GMT+8 | 26 hr 22 min | Yes |
| 9 | 2 Sept 2013, 4:00 pm GMT+8 | 3 Sept 2013, 5:39 pm GMT+8 | 25 hr 40 min | Yes |
| 10 | 2 Oct 2013, 8:34 am GMT+8 | 3 Oct 2013, 9:08 am GMT+8 | 24 hr 34 min | Yes |
| 11 | 1 Nov 2013, 12:47 am GMT+8 | 2 Nov 2013, 12:04 am GMT+8 | 23 hr 17 min | Yes |
| 12 | 30 Nov 2013, 3:58 pm GMT+8 | 1 Dec 2013, 2:00 pm GMT+8 | 22 hr 1 min | Yes |
| 13 | 30 Dec 2013, 5:28 am GMT+8 | 31 Dec 2013, 2:29 am GMT+8 | 21 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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