Trayodashi (त्रयोदशी) dates and timings in Perth for 2066
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 2066, 4:17 pm GMT+8 | 9 Jan 2066, 6:50 pm GMT+8 | 26 hr 33 min | Yes |
| 2 | 7 Feb 2066, 12:53 pm GMT+8 | 8 Feb 2066, 2:38 pm GMT+8 | 25 hr 45 min | Yes |
| 3 | 9 Mar 2066, 7:46 am GMT+8 | 10 Mar 2066, 8:07 am GMT+8 | 24 hr 21 min | Yes |
| 4 | 7 Apr 2066, 11:26 pm GMT+8 | 8 Apr 2066, 10:16 pm GMT+8 | 22 hr 49 min | Yes |
| 5 | 7 May 2066, 11:38 am GMT+8 | 8 May 2066, 9:14 am GMT+8 | 21 hr 35 min | Yes |
| 6 | 5 Jun 2066, 8:59 pm GMT+8 | 6 Jun 2066, 5:49 pm GMT+8 | 20 hr 49 min | Yes |
| 7 | 5 Jul 2066, 4:26 am GMT+8 | 6 Jul 2066, 12:58 am GMT+8 | 20 hr 32 min | Yes |
| 8 | 3 Aug 2066, 10:57 am GMT+8 | 4 Aug 2066, 7:39 am GMT+8 | 20 hr 42 min | Yes |
| 9 | 1 Sept 2066, 5:28 pm GMT+8 | 2 Sept 2066, 2:43 pm GMT+8 | 21 hr 14 min | Yes |
| 10 | 1 Oct 2066, 12:59 am GMT+8 | 1 Oct 2066, 11:09 pm GMT+8 | 22 hr 10 min | No |
| 11 | 30 Oct 2066, 10:36 am GMT+8 | 31 Oct 2066, 10:02 am GMT+8 | 23 hr 26 min | Yes |
| 12 | 28 Nov 2066, 11:17 pm GMT+8 | 30 Nov 2066, 12:10 am GMT+8 | 24 hr 53 min | Yes |
| 13 | 28 Dec 2066, 3:29 pm GMT+8 | 29 Dec 2066, 5:38 pm GMT+8 | 26 hr 9 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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