Trayodashi (त्रयोदशी) dates and timings in Perth for 1933
Verified astronomical start and end times for lunar day 13 in Perth, shown in Australia/Perth.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 8 Jan 1933, 11:20 pm GMT+8 | 10 Jan 1933, 1:27 am GMT+8 | 26 hr 8 min | Yes |
| 2 | 7 Feb 1933, 7:14 pm GMT+8 | 8 Feb 1933, 8:22 pm GMT+8 | 25 hr 8 min | Yes |
| 3 | 9 Mar 1933, 1:13 pm GMT+8 | 10 Mar 1933, 1:01 pm GMT+8 | 23 hr 48 min | Yes |
| 4 | 8 Apr 1933, 4:11 am GMT+8 | 9 Apr 1933, 2:36 am GMT+8 | 22 hr 25 min | Yes |
| 5 | 7 May 1933, 3:44 pm GMT+8 | 8 May 1933, 12:59 pm GMT+8 | 21 hr 15 min | Yes |
| 6 | 6 Jun 1933, 12:19 am GMT+8 | 6 Jun 1933, 8:51 pm GMT+8 | 20 hr 32 min | No |
| 7 | 5 Jul 1933, 6:54 am GMT+8 | 6 Jul 1933, 3:17 am GMT+8 | 20 hr 23 min | Yes |
| 8 | 3 Aug 1933, 12:47 pm GMT+8 | 4 Aug 1933, 9:34 am GMT+8 | 20 hr 47 min | Yes |
| 9 | 1 Sept 1933, 7:16 pm GMT+8 | 2 Sept 1933, 4:55 pm GMT+8 | 21 hr 40 min | Yes |
| 10 | 1 Oct 1933, 3:30 am GMT+8 | 2 Oct 1933, 2:21 am GMT+8 | 22 hr 51 min | Yes |
| 11 | 30 Oct 1933, 2:23 pm GMT+8 | 31 Oct 1933, 2:32 pm GMT+8 | 24 hr 9 min | Yes |
| 12 | 29 Nov 1933, 4:23 am GMT+8 | 30 Nov 1933, 5:46 am GMT+8 | 25 hr 23 min | Yes |
| 13 | 28 Dec 1933, 9:29 pm GMT+8 | 29 Dec 1933, 11:47 pm GMT+8 | 26 hr 18 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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