Trayodashi (त्रयोदशी) dates and timings in Perth for 2015
Verified astronomical start and end times for lunar day 13 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 | 2 Jan 2015, 11:03 am GMT+8 | 3 Jan 2015, 11:16 am GMT+8 | 24 hr 14 min | Yes |
| 2 | 1 Feb 2015, 1:47 am GMT+8 | 2 Feb 2015, 3:14 am GMT+8 | 25 hr 27 min | Yes |
| 3 | 2 Mar 2015, 6:35 pm GMT+8 | 3 Mar 2015, 8:55 pm GMT+8 | 26 hr 20 min | Yes |
| 4 | 1 Apr 2015, 12:39 pm GMT+8 | 2 Apr 2015, 3:16 pm GMT+8 | 26 hr 38 min | Yes |
| 5 | 1 May 2015, 6:39 am GMT+8 | 2 May 2015, 8:47 am GMT+8 | 26 hr 8 min | Yes |
| 6 | 30 May 2015, 11:13 pm GMT+8 | 1 Jun 2015, 12:12 am GMT+8 | 24 hr 59 min | Yes |
| 7 | 29 Jun 2015, 1:33 pm GMT+8 | 30 Jun 2015, 1:07 pm GMT+8 | 23 hr 34 min | Yes |
| 8 | 29 Jul 2015, 1:37 am GMT+8 | 29 Jul 2015, 11:52 pm GMT+8 | 22 hr 14 min | No |
| 9 | 27 Aug 2015, 12:02 pm GMT+8 | 28 Aug 2015, 9:17 am GMT+8 | 21 hr 15 min | Yes |
| 10 | 25 Sept 2015, 9:30 pm GMT+8 | 26 Sept 2015, 6:13 pm GMT+8 | 20 hr 43 min | Yes |
| 11 | 25 Oct 2015, 6:38 am GMT+8 | 26 Oct 2015, 3:14 am GMT+8 | 20 hr 36 min | Yes |
| 12 | 23 Nov 2015, 3:47 pm GMT+8 | 24 Nov 2015, 12:43 pm GMT+8 | 20 hr 56 min | Yes |
| 13 | 23 Dec 2015, 1:20 am GMT+8 | 23 Dec 2015, 11:03 pm GMT+8 | 21 hr 43 min | No |
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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