Trayodashi (त्रयोदशी) dates and timings in Perth for 2077
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 | 6 Jan 2077, 10:04 am GMT+8 | 7 Jan 2077, 10:31 am GMT+8 | 24 hr 27 min | Yes |
| 2 | 5 Feb 2077, 1:20 am GMT+8 | 6 Feb 2077, 3:00 am GMT+8 | 25 hr 40 min | Yes |
| 3 | 6 Mar 2077, 6:25 pm GMT+8 | 7 Mar 2077, 8:47 pm GMT+8 | 26 hr 22 min | Yes |
| 4 | 5 Apr 2077, 12:14 pm GMT+8 | 6 Apr 2077, 2:41 pm GMT+8 | 26 hr 27 min | Yes |
| 5 | 5 May 2077, 5:42 am GMT+8 | 6 May 2077, 7:39 am GMT+8 | 25 hr 57 min | Yes |
| 6 | 3 Jun 2077, 9:57 pm GMT+8 | 4 Jun 2077, 10:55 pm GMT+8 | 24 hr 58 min | Yes |
| 7 | 3 Jul 2077, 12:24 pm GMT+8 | 4 Jul 2077, 12:02 pm GMT+8 | 23 hr 39 min | Yes |
| 8 | 2 Aug 2077, 12:46 am GMT+8 | 2 Aug 2077, 11:02 pm GMT+8 | 22 hr 16 min | No |
| 9 | 31 Aug 2077, 11:16 am GMT+8 | 1 Sept 2077, 8:25 am GMT+8 | 21 hr 10 min | Yes |
| 10 | 29 Sept 2077, 8:31 pm GMT+8 | 30 Sept 2077, 5:03 pm GMT+8 | 20 hr 32 min | Yes |
| 11 | 29 Oct 2077, 5:17 am GMT+8 | 30 Oct 2077, 1:47 am GMT+8 | 20 hr 30 min | Yes |
| 12 | 27 Nov 2077, 2:21 pm GMT+8 | 28 Nov 2077, 11:21 am GMT+8 | 21 hr 1 min | Yes |
| 13 | 27 Dec 2077, 12:12 am GMT+8 | 27 Dec 2077, 10:09 pm GMT+8 | 21 hr 56 min | No |
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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