Trayodashi (त्रयोदशी) dates and timings in Perth for 2087
Verified astronomical start and end times for lunar day 13 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 | 16 Jan 2087, 9:58 am GMT+8 | 17 Jan 2087, 8:25 am GMT+8 | 22 hr 27 min | Yes |
| 2 | 14 Feb 2087, 9:25 pm GMT+8 | 15 Feb 2087, 9:05 pm GMT+8 | 23 hr 40 min | Yes |
| 3 | 16 Mar 2087, 10:14 am GMT+8 | 17 Mar 2087, 11:09 am GMT+8 | 24 hr 55 min | Yes |
| 4 | 15 Apr 2087, 12:35 am GMT+8 | 16 Apr 2087, 2:34 am GMT+8 | 25 hr 58 min | Yes |
| 5 | 14 May 2087, 4:18 pm GMT+8 | 15 May 2087, 6:51 pm GMT+8 | 26 hr 33 min | Yes |
| 6 | 13 Jun 2087, 8:45 am GMT+8 | 14 Jun 2087, 11:09 am GMT+8 | 26 hr 25 min | Yes |
| 7 | 13 Jul 2087, 12:57 am GMT+8 | 14 Jul 2087, 2:30 am GMT+8 | 25 hr 33 min | Yes |
| 8 | 11 Aug 2087, 4:06 pm GMT+8 | 12 Aug 2087, 4:20 pm GMT+8 | 24 hr 14 min | Yes |
| 9 | 10 Sept 2087, 5:54 am GMT+8 | 11 Sept 2087, 4:46 am GMT+8 | 22 hr 52 min | Yes |
| 10 | 9 Oct 2087, 6:32 pm GMT+8 | 10 Oct 2087, 4:14 pm GMT+8 | 21 hr 43 min | Yes |
| 11 | 8 Nov 2087, 6:17 am GMT+8 | 9 Nov 2087, 3:14 am GMT+8 | 20 hr 57 min | Yes |
| 12 | 7 Dec 2087, 5:18 pm GMT+8 | 8 Dec 2087, 1:55 pm GMT+8 | 20 hr 37 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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