Trayodashi (त्रयोदशी) dates and timings in Perth for 2057
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 | 17 Jan 2057, 10:42 pm GMT+8 | 19 Jan 2057, 12:55 am GMT+8 | 26 hr 13 min | Yes |
| 2 | 16 Feb 2057, 6:46 pm GMT+8 | 17 Feb 2057, 7:48 pm GMT+8 | 25 hr 2 min | Yes |
| 3 | 18 Mar 2057, 12:14 pm GMT+8 | 19 Mar 2057, 11:44 am GMT+8 | 23 hr 30 min | Yes |
| 4 | 17 Apr 2057, 2:12 am GMT+8 | 18 Apr 2057, 12:18 am GMT+8 | 22 hr 5 min | Yes |
| 5 | 16 May 2057, 12:55 pm GMT+8 | 17 May 2057, 10:00 am GMT+8 | 21 hr 6 min | Yes |
| 6 | 14 Jun 2057, 9:10 pm GMT+8 | 15 Jun 2057, 5:46 pm GMT+8 | 20 hr 36 min | Yes |
| 7 | 14 Jul 2057, 3:58 am GMT+8 | 15 Jul 2057, 12:33 am GMT+8 | 20 hr 34 min | Yes |
| 8 | 12 Aug 2057, 10:16 am GMT+8 | 13 Aug 2057, 7:13 am GMT+8 | 20 hr 57 min | Yes |
| 9 | 10 Sept 2057, 5:03 pm GMT+8 | 11 Sept 2057, 2:46 pm GMT+8 | 21 hr 42 min | Yes |
| 10 | 10 Oct 2057, 1:22 am GMT+8 | 11 Oct 2057, 12:12 am GMT+8 | 22 hr 50 min | Yes |
| 11 | 8 Nov 2057, 12:21 pm GMT+8 | 9 Nov 2057, 12:34 pm GMT+8 | 24 hr 13 min | Yes |
| 12 | 8 Dec 2057, 2:49 am GMT+8 | 9 Dec 2057, 4:26 am GMT+8 | 25 hr 37 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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