Trayodashi (त्रयोदशी) dates and timings in Perth for 2020
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 2020, 6:44 am GMT+8 | 9 Jan 2020, 6:14 am GMT+8 | 23 hr 30 min | Yes |
| 2 | 6 Feb 2020, 10:53 pm GMT+8 | 7 Feb 2020, 9:02 pm GMT+8 | 22 hr 8 min | Yes |
| 3 | 7 Mar 2020, 11:59 am GMT+8 | 8 Mar 2020, 9:01 am GMT+8 | 21 hr 2 min | Yes |
| 4 | 5 Apr 2020, 9:55 pm GMT+8 | 6 Apr 2020, 6:22 pm GMT+8 | 20 hr 27 min | Yes |
| 5 | 5 May 2020, 5:24 am GMT+8 | 6 May 2020, 1:51 am GMT+8 | 20 hr 27 min | Yes |
| 6 | 3 Jun 2020, 11:35 am GMT+8 | 4 Jun 2020, 8:36 am GMT+8 | 21 hr 1 min | Yes |
| 7 | 2 Jul 2020, 5:47 pm GMT+8 | 3 Jul 2020, 3:46 pm GMT+8 | 22 hr 0 min | Yes |
| 8 | 1 Aug 2020, 1:12 am GMT+8 | 2 Aug 2020, 12:24 am GMT+8 | 23 hr 12 min | Yes |
| 9 | 30 Aug 2020, 10:51 am GMT+8 | 31 Aug 2020, 11:19 am GMT+8 | 24 hr 27 min | Yes |
| 10 | 28 Sept 2020, 11:29 pm GMT+8 | 30 Sept 2020, 1:03 am GMT+8 | 25 hr 34 min | Yes |
| 11 | 28 Oct 2020, 3:24 pm GMT+8 | 29 Oct 2020, 5:46 pm GMT+8 | 26 hr 22 min | Yes |
| 12 | 27 Nov 2020, 10:16 am GMT+8 | 28 Nov 2020, 12:51 pm GMT+8 | 26 hr 35 min | Yes |
| 13 | 27 Dec 2020, 6:48 am GMT+8 | 28 Dec 2020, 8:50 am GMT+8 | 26 hr 2 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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