Trayodashi (त्रयोदशी) dates and timings in Perth for 1957
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 | 14 Jan 1957, 12:04 am GMT+8 | 14 Jan 1957, 9:18 pm GMT+8 | 21 hr 14 min | No |
| 2 | 12 Feb 1957, 11:50 am GMT+8 | 13 Feb 1957, 8:22 am GMT+8 | 20 hr 32 min | Yes |
| 3 | 13 Mar 1957, 9:10 pm GMT+8 | 14 Mar 1957, 5:37 pm GMT+8 | 20 hr 27 min | Yes |
| 4 | 12 Apr 1957, 4:49 am GMT+8 | 13 Apr 1957, 1:46 am GMT+8 | 20 hr 57 min | Yes |
| 5 | 11 May 1957, 11:53 am GMT+8 | 12 May 1957, 9:47 am GMT+8 | 21 hr 54 min | Yes |
| 6 | 9 Jun 1957, 7:28 pm GMT+8 | 10 Jun 1957, 6:36 pm GMT+8 | 23 hr 7 min | Yes |
| 7 | 9 Jul 1957, 4:34 am GMT+8 | 10 Jul 1957, 4:56 am GMT+8 | 24 hr 22 min | Yes |
| 8 | 7 Aug 1957, 3:53 pm GMT+8 | 8 Aug 1957, 5:20 pm GMT+8 | 25 hr 27 min | Yes |
| 9 | 6 Sept 1957, 5:53 am GMT+8 | 7 Sept 1957, 8:06 am GMT+8 | 26 hr 13 min | Yes |
| 10 | 5 Oct 1957, 10:36 pm GMT+8 | 7 Oct 1957, 1:05 am GMT+8 | 26 hr 30 min | Yes |
| 11 | 4 Nov 1957, 5:27 pm GMT+8 | 5 Nov 1957, 7:34 pm GMT+8 | 26 hr 6 min | Yes |
| 12 | 4 Dec 1957, 1:04 pm GMT+8 | 5 Dec 1957, 2:06 pm GMT+8 | 25 hr 1 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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