Trayodashi (त्रयोदशी) dates and timings in Perth for 2037
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 | 29 Jan 2037, 7:29 am GMT+8 | 30 Jan 2037, 4:45 am GMT+8 | 21 hr 17 min | Yes |
| 2 | 27 Feb 2037, 7:13 pm GMT+8 | 28 Feb 2037, 3:55 pm GMT+8 | 20 hr 42 min | Yes |
| 3 | 29 Mar 2037, 4:33 am GMT+8 | 30 Mar 2037, 1:06 am GMT+8 | 20 hr 33 min | Yes |
| 4 | 27 Apr 2037, 11:56 am GMT+8 | 28 Apr 2037, 8:49 am GMT+8 | 20 hr 53 min | Yes |
| 5 | 26 May 2037, 6:25 pm GMT+8 | 27 May 2037, 4:06 pm GMT+8 | 21 hr 41 min | Yes |
| 6 | 25 Jun 2037, 1:20 am GMT+8 | 26 Jun 2037, 12:13 am GMT+8 | 22 hr 53 min | Yes |
| 7 | 24 Jul 2037, 10:02 am GMT+8 | 25 Jul 2037, 10:19 am GMT+8 | 24 hr 17 min | Yes |
| 8 | 22 Aug 2037, 9:33 pm GMT+8 | 23 Aug 2037, 11:06 pm GMT+8 | 25 hr 33 min | Yes |
| 9 | 21 Sept 2037, 12:13 pm GMT+8 | 22 Sept 2037, 2:35 pm GMT+8 | 26 hr 22 min | Yes |
| 10 | 21 Oct 2037, 5:38 am GMT+8 | 22 Oct 2037, 8:09 am GMT+8 | 26 hr 30 min | Yes |
| 11 | 20 Nov 2037, 12:48 am GMT+8 | 21 Nov 2037, 2:48 am GMT+8 | 26 hr 0 min | Yes |
| 12 | 19 Dec 2037, 8:24 pm GMT+8 | 20 Dec 2037, 9:22 pm GMT+8 | 24 hr 58 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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