Trayodashi (त्रयोदशी) dates and timings in Perth for 1964
Verified astronomical start and end times for lunar day 28 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 | 11 Jan 1964, 11:01 pm GMT+8 | 13 Jan 1964, 1:19 am GMT+8 | 26 hr 19 min | Yes |
| 2 | 10 Feb 1964, 7:17 pm GMT+8 | 11 Feb 1964, 8:29 pm GMT+8 | 25 hr 12 min | Yes |
| 3 | 11 Mar 1964, 1:11 pm GMT+8 | 12 Mar 1964, 12:52 pm GMT+8 | 23 hr 41 min | Yes |
| 4 | 10 Apr 1964, 3:37 am GMT+8 | 11 Apr 1964, 1:51 am GMT+8 | 22 hr 14 min | Yes |
| 5 | 9 May 1964, 2:41 pm GMT+8 | 10 May 1964, 11:52 am GMT+8 | 21 hr 11 min | Yes |
| 6 | 7 Jun 1964, 11:08 pm GMT+8 | 8 Jun 1964, 7:47 pm GMT+8 | 20 hr 39 min | Yes |
| 7 | 7 Jul 1964, 6:00 am GMT+8 | 8 Jul 1964, 2:35 am GMT+8 | 20 hr 35 min | Yes |
| 8 | 5 Aug 1964, 12:16 pm GMT+8 | 6 Aug 1964, 9:12 am GMT+8 | 20 hr 56 min | Yes |
| 9 | 3 Sept 1964, 6:55 pm GMT+8 | 4 Sept 1964, 4:34 pm GMT+8 | 21 hr 40 min | Yes |
| 10 | 3 Oct 1964, 2:59 am GMT+8 | 4 Oct 1964, 1:43 am GMT+8 | 22 hr 44 min | Yes |
| 11 | 1 Nov 1964, 1:35 pm GMT+8 | 2 Nov 1964, 1:41 pm GMT+8 | 24 hr 6 min | Yes |
| 12 | 1 Dec 1964, 3:37 am GMT+8 | 2 Dec 1964, 5:07 am GMT+8 | 25 hr 30 min | Yes |
| 13 | 30 Dec 1964, 9:08 pm GMT+8 | 31 Dec 1964, 11:40 pm GMT+8 | 26 hr 32 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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