Trayodashi (त्रयोदशी) dates and timings in Perth for 1940
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 | 22 Jan 1940, 3:14 pm GMT+8 | 23 Jan 1940, 1:10 pm GMT+8 | 21 hr 56 min | Yes |
| 2 | 21 Feb 1940, 4:13 am GMT+8 | 22 Feb 1940, 1:09 am GMT+8 | 20 hr 56 min | Yes |
| 3 | 21 Mar 1940, 2:31 pm GMT+8 | 22 Mar 1940, 11:02 am GMT+8 | 20 hr 31 min | Yes |
| 4 | 19 Apr 1940, 10:43 pm GMT+8 | 20 Apr 1940, 7:22 pm GMT+8 | 20 hr 39 min | Yes |
| 5 | 19 May 1940, 5:38 am GMT+8 | 20 May 1940, 2:48 am GMT+8 | 21 hr 10 min | Yes |
| 6 | 17 Jun 1940, 12:09 pm GMT+8 | 18 Jun 1940, 10:10 am GMT+8 | 22 hr 1 min | Yes |
| 7 | 16 Jul 1940, 7:22 pm GMT+8 | 17 Jul 1940, 6:29 pm GMT+8 | 23 hr 7 min | Yes |
| 8 | 15 Aug 1940, 4:31 am GMT+8 | 16 Aug 1940, 4:55 am GMT+8 | 24 hr 23 min | Yes |
| 9 | 13 Sept 1940, 4:41 pm GMT+8 | 14 Sept 1940, 6:20 pm GMT+8 | 25 hr 39 min | Yes |
| 10 | 13 Oct 1940, 8:25 am GMT+8 | 14 Oct 1940, 10:57 am GMT+8 | 26 hr 32 min | Yes |
| 11 | 12 Nov 1940, 3:14 am GMT+8 | 13 Nov 1940, 5:53 am GMT+8 | 26 hr 39 min | Yes |
| 12 | 11 Dec 1940, 11:31 pm GMT+8 | 13 Dec 1940, 1:24 am GMT+8 | 25 hr 54 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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