Trayodashi (त्रयोदशी) dates and timings in Perth for 1920
Verified astronomical start and end times for lunar day 28 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 | 18 Jan 1920, 7:36 am GMT+8 | 19 Jan 1920, 9:58 am GMT+8 | 26 hr 22 min | Yes |
| 2 | 17 Feb 1920, 3:35 am GMT+8 | 18 Feb 1920, 4:50 am GMT+8 | 25 hr 15 min | Yes |
| 3 | 17 Mar 1920, 9:11 pm GMT+8 | 18 Mar 1920, 9:02 pm GMT+8 | 23 hr 51 min | Yes |
| 4 | 16 Apr 1920, 11:43 am GMT+8 | 17 Apr 1920, 10:15 am GMT+8 | 22 hr 32 min | Yes |
| 5 | 15 May 1920, 11:16 pm GMT+8 | 16 May 1920, 8:46 pm GMT+8 | 21 hr 30 min | Yes |
| 6 | 14 Jun 1920, 8:16 am GMT+8 | 15 Jun 1920, 5:04 am GMT+8 | 20 hr 48 min | Yes |
| 7 | 13 Jul 1920, 3:23 pm GMT+8 | 14 Jul 1920, 11:53 am GMT+8 | 20 hr 30 min | Yes |
| 8 | 11 Aug 1920, 9:33 pm GMT+8 | 12 Aug 1920, 6:13 pm GMT+8 | 20 hr 41 min | Yes |
| 9 | 10 Sept 1920, 3:55 am GMT+8 | 11 Sept 1920, 1:19 am GMT+8 | 21 hr 23 min | Yes |
| 10 | 9 Oct 1920, 11:52 am GMT+8 | 10 Oct 1920, 10:27 am GMT+8 | 22 hr 35 min | Yes |
| 11 | 7 Nov 1920, 10:35 pm GMT+8 | 8 Nov 1920, 10:38 pm GMT+8 | 24 hr 3 min | Yes |
| 12 | 7 Dec 1920, 12:45 pm GMT+8 | 8 Dec 1920, 2:11 pm GMT+8 | 25 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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