Trayodashi (त्रयोदशी) dates and timings in Perth for 2013
Verified astronomical start and end times for lunar day 13 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 | 24 Jan 2013, 7:13 am GMT+8 | 25 Jan 2013, 9:28 am GMT+8 | 26 hr 15 min | Yes |
| 2 | 23 Feb 2013, 2:56 am GMT+8 | 24 Feb 2013, 4:01 am GMT+8 | 25 hr 5 min | Yes |
| 3 | 24 Mar 2013, 8:09 pm GMT+8 | 25 Mar 2013, 7:50 pm GMT+8 | 23 hr 42 min | Yes |
| 4 | 23 Apr 2013, 10:19 am GMT+8 | 24 Apr 2013, 8:44 am GMT+8 | 22 hr 25 min | Yes |
| 5 | 22 May 2013, 9:34 pm GMT+8 | 23 May 2013, 6:57 pm GMT+8 | 21 hr 24 min | Yes |
| 6 | 21 Jun 2013, 6:20 am GMT+8 | 22 Jun 2013, 3:03 am GMT+8 | 20 hr 43 min | Yes |
| 7 | 20 Jul 2013, 1:19 pm GMT+8 | 21 Jul 2013, 9:46 am GMT+8 | 20 hr 27 min | Yes |
| 8 | 18 Aug 2013, 7:28 pm GMT+8 | 19 Aug 2013, 4:09 pm GMT+8 | 20 hr 41 min | Yes |
| 9 | 17 Sept 2013, 2:01 am GMT+8 | 17 Sept 2013, 11:28 pm GMT+8 | 21 hr 27 min | No |
| 10 | 16 Oct 2013, 10:17 am GMT+8 | 17 Oct 2013, 8:58 am GMT+8 | 22 hr 42 min | Yes |
| 11 | 14 Nov 2013, 9:25 pm GMT+8 | 15 Nov 2013, 9:36 pm GMT+8 | 24 hr 10 min | Yes |
| 12 | 14 Dec 2013, 11:58 am GMT+8 | 15 Dec 2013, 1:29 pm GMT+8 | 25 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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