Trayodashi (त्रयोदशी) dates and timings in Perth for 2017
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 | 25 Jan 2017, 4:52 am GMT+8 | 26 Jan 2017, 6:27 am GMT+8 | 25 hr 34 min | Yes |
| 2 | 23 Feb 2017, 11:48 pm GMT+8 | 25 Feb 2017, 12:08 am GMT+8 | 24 hr 20 min | Yes |
| 3 | 25 Mar 2017, 4:03 pm GMT+8 | 26 Mar 2017, 2:59 pm GMT+8 | 22 hr 55 min | Yes |
| 4 | 24 Apr 2017, 4:56 am GMT+8 | 25 Apr 2017, 2:34 am GMT+8 | 21 hr 38 min | Yes |
| 5 | 23 May 2017, 2:33 pm GMT+8 | 24 May 2017, 11:18 am GMT+8 | 20 hr 45 min | Yes |
| 6 | 21 Jun 2017, 9:44 pm GMT+8 | 22 Jun 2017, 6:08 pm GMT+8 | 20 hr 24 min | Yes |
| 7 | 21 Jul 2017, 3:42 am GMT+8 | 22 Jul 2017, 12:19 am GMT+8 | 20 hr 37 min | Yes |
| 8 | 19 Aug 2017, 9:47 am GMT+8 | 20 Aug 2017, 7:08 am GMT+8 | 21 hr 21 min | Yes |
| 9 | 17 Sept 2017, 5:12 pm GMT+8 | 18 Sept 2017, 3:38 pm GMT+8 | 22 hr 26 min | Yes |
| 10 | 17 Oct 2017, 2:56 am GMT+8 | 18 Oct 2017, 2:38 am GMT+8 | 23 hr 42 min | Yes |
| 11 | 15 Nov 2017, 3:40 pm GMT+8 | 16 Nov 2017, 4:39 pm GMT+8 | 24 hr 59 min | Yes |
| 12 | 15 Dec 2017, 7:38 am GMT+8 | 16 Dec 2017, 9:40 am GMT+8 | 26 hr 3 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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