Trayodashi (त्रयोदशी) dates and timings in Perth for 2090
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 | 13 Jan 2090, 8:03 pm GMT+8 | 14 Jan 2090, 5:33 pm GMT+8 | 21 hr 29 min | Yes |
| 2 | 12 Feb 2090, 8:24 am GMT+8 | 13 Feb 2090, 5:07 am GMT+8 | 20 hr 43 min | Yes |
| 3 | 13 Mar 2090, 6:28 pm GMT+8 | 14 Mar 2090, 3:00 pm GMT+8 | 20 hr 32 min | Yes |
| 4 | 12 Apr 2090, 2:46 am GMT+8 | 12 Apr 2090, 11:35 pm GMT+8 | 20 hr 50 min | No |
| 5 | 11 May 2090, 9:57 am GMT+8 | 12 May 2090, 7:27 am GMT+8 | 21 hr 30 min | Yes |
| 6 | 9 Jun 2090, 4:57 pm GMT+8 | 10 Jun 2090, 3:24 pm GMT+8 | 22 hr 27 min | Yes |
| 7 | 9 Jul 2090, 12:51 am GMT+8 | 10 Jul 2090, 12:29 am GMT+8 | 23 hr 38 min | Yes |
| 8 | 7 Aug 2090, 10:49 am GMT+8 | 8 Aug 2090, 11:45 am GMT+8 | 24 hr 55 min | Yes |
| 9 | 5 Sept 2090, 11:50 pm GMT+8 | 7 Sept 2090, 1:53 am GMT+8 | 26 hr 3 min | Yes |
| 10 | 5 Oct 2090, 4:08 pm GMT+8 | 6 Oct 2090, 6:47 pm GMT+8 | 26 hr 39 min | Yes |
| 11 | 4 Nov 2090, 10:59 am GMT+8 | 5 Nov 2090, 1:24 pm GMT+8 | 26 hr 25 min | Yes |
| 12 | 4 Dec 2090, 6:44 am GMT+8 | 5 Dec 2090, 8:09 am GMT+8 | 25 hr 25 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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