Trayodashi (त्रयोदशी) dates and timings in Perth for 1915
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 | 28 Jan 1915, 11:19 am GMT+8 | 29 Jan 1915, 12:19 pm GMT+8 | 25 hr 1 min | Yes |
| 2 | 27 Feb 1915, 5:25 am GMT+8 | 28 Feb 1915, 5:05 am GMT+8 | 23 hr 40 min | Yes |
| 3 | 28 Mar 1915, 8:32 pm GMT+8 | 29 Mar 1915, 6:49 pm GMT+8 | 22 hr 17 min | Yes |
| 4 | 27 Apr 1915, 8:13 am GMT+8 | 28 Apr 1915, 5:23 am GMT+8 | 21 hr 9 min | Yes |
| 5 | 26 May 1915, 4:51 pm GMT+8 | 27 May 1915, 1:20 pm GMT+8 | 20 hr 29 min | Yes |
| 6 | 24 Jun 1915, 11:23 pm GMT+8 | 25 Jun 1915, 7:47 pm GMT+8 | 20 hr 24 min | Yes |
| 7 | 24 Jul 1915, 5:09 am GMT+8 | 25 Jul 1915, 2:01 am GMT+8 | 20 hr 52 min | Yes |
| 8 | 22 Aug 1915, 11:28 am GMT+8 | 23 Aug 1915, 9:15 am GMT+8 | 21 hr 46 min | Yes |
| 9 | 20 Sept 1915, 7:32 pm GMT+8 | 21 Sept 1915, 6:31 pm GMT+8 | 22 hr 59 min | Yes |
| 10 | 20 Oct 1915, 6:16 am GMT+8 | 21 Oct 1915, 6:33 am GMT+8 | 24 hr 17 min | Yes |
| 11 | 18 Nov 1915, 8:13 pm GMT+8 | 19 Nov 1915, 9:41 pm GMT+8 | 25 hr 29 min | Yes |
| 12 | 18 Dec 1915, 1:22 pm GMT+8 | 19 Dec 1915, 3:43 pm GMT+8 | 26 hr 21 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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