Trayodashi (त्रयोदशी) dates and timings in Perth for 1922
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 | 11 Jan 1922, 6:46 am GMT+8 | 12 Jan 1922, 4:35 am GMT+8 | 21 hr 49 min | Yes |
| 2 | 9 Feb 1922, 7:44 pm GMT+8 | 10 Feb 1922, 4:36 pm GMT+8 | 20 hr 52 min | Yes |
| 3 | 11 Mar 1922, 6:11 am GMT+8 | 12 Mar 1922, 2:41 am GMT+8 | 20 hr 31 min | Yes |
| 4 | 9 Apr 1922, 2:38 pm GMT+8 | 10 Apr 1922, 11:20 am GMT+8 | 20 hr 41 min | Yes |
| 5 | 8 May 1922, 9:50 pm GMT+8 | 9 May 1922, 7:06 pm GMT+8 | 21 hr 16 min | Yes |
| 6 | 7 Jun 1922, 4:37 am GMT+8 | 8 Jun 1922, 2:46 am GMT+8 | 22 hr 9 min | Yes |
| 7 | 6 Jul 1922, 12:05 pm GMT+8 | 7 Jul 1922, 11:21 am GMT+8 | 23 hr 16 min | Yes |
| 8 | 4 Aug 1922, 9:22 pm GMT+8 | 5 Aug 1922, 9:54 pm GMT+8 | 24 hr 32 min | Yes |
| 9 | 3 Sept 1922, 9:33 am GMT+8 | 4 Sept 1922, 11:18 am GMT+8 | 25 hr 45 min | Yes |
| 10 | 3 Oct 1922, 1:09 am GMT+8 | 4 Oct 1922, 3:42 am GMT+8 | 26 hr 33 min | Yes |
| 11 | 1 Nov 1922, 7:41 pm GMT+8 | 2 Nov 1922, 10:17 pm GMT+8 | 26 hr 36 min | Yes |
| 12 | 1 Dec 1922, 3:39 pm GMT+8 | 2 Dec 1922, 5:26 pm GMT+8 | 25 hr 47 min | Yes |
| 13 | 31 Dec 1922, 11:07 am GMT+8 | 1 Jan 1923, 11:33 am GMT+8 | 24 hr 26 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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