Trayodashi (त्रयोदशी) dates and timings in Perth for 1965
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 | 15 Jan 1965, 8:23 am GMT+8 | 16 Jan 1965, 5:00 am GMT+8 | 20 hr 37 min | Yes |
| 2 | 13 Feb 1965, 6:25 pm GMT+8 | 14 Feb 1965, 3:08 pm GMT+8 | 20 hr 42 min | Yes |
| 3 | 15 Mar 1965, 3:06 am GMT+8 | 16 Mar 1965, 12:22 am GMT+8 | 21 hr 15 min | Yes |
| 4 | 13 Apr 1965, 11:12 am GMT+8 | 14 Apr 1965, 9:27 am GMT+8 | 22 hr 15 min | Yes |
| 5 | 12 May 1965, 7:48 pm GMT+8 | 13 May 1965, 7:21 pm GMT+8 | 23 hr 33 min | Yes |
| 6 | 11 Jun 1965, 5:59 am GMT+8 | 12 Jun 1965, 6:54 am GMT+8 | 24 hr 55 min | Yes |
| 7 | 10 Jul 1965, 6:24 pm GMT+8 | 11 Jul 1965, 8:23 pm GMT+8 | 25 hr 59 min | Yes |
| 8 | 9 Aug 1965, 9:04 am GMT+8 | 10 Aug 1965, 11:33 am GMT+8 | 26 hr 29 min | Yes |
| 9 | 8 Sept 1965, 1:30 am GMT+8 | 9 Sept 1965, 3:49 am GMT+8 | 26 hr 18 min | Yes |
| 10 | 7 Oct 1965, 7:01 pm GMT+8 | 8 Oct 1965, 8:34 pm GMT+8 | 25 hr 33 min | Yes |
| 11 | 6 Nov 1965, 12:47 pm GMT+8 | 7 Nov 1965, 1:11 pm GMT+8 | 24 hr 24 min | Yes |
| 12 | 6 Dec 1965, 5:57 am GMT+8 | 7 Dec 1965, 5:01 am GMT+8 | 23 hr 5 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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