Trayodashi (त्रयोदशी) dates and timings in Perth for 1964
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 | 26 Jan 1964, 2:46 pm GMT+8 | 27 Jan 1964, 12:08 pm GMT+8 | 21 hr 22 min | Yes |
| 2 | 25 Feb 1964, 12:38 am GMT+8 | 25 Feb 1964, 11:01 pm GMT+8 | 22 hr 23 min | No |
| 3 | 25 Mar 1964, 10:58 am GMT+8 | 26 Mar 1964, 10:32 am GMT+8 | 23 hr 33 min | Yes |
| 4 | 23 Apr 1964, 10:17 pm GMT+8 | 24 Apr 1964, 11:04 pm GMT+8 | 24 hr 46 min | Yes |
| 5 | 23 May 1964, 11:05 am GMT+8 | 24 May 1964, 12:56 pm GMT+8 | 25 hr 50 min | Yes |
| 6 | 22 Jun 1964, 1:35 am GMT+8 | 23 Jun 1964, 4:04 am GMT+8 | 26 hr 29 min | Yes |
| 7 | 21 Jul 1964, 5:29 pm GMT+8 | 22 Jul 1964, 7:56 pm GMT+8 | 26 hr 27 min | Yes |
| 8 | 20 Aug 1964, 10:00 am GMT+8 | 21 Aug 1964, 11:41 am GMT+8 | 25 hr 41 min | Yes |
| 9 | 19 Sept 1964, 2:15 am GMT+8 | 20 Sept 1964, 2:38 am GMT+8 | 24 hr 23 min | Yes |
| 10 | 18 Oct 1964, 5:35 pm GMT+8 | 19 Oct 1964, 4:34 pm GMT+8 | 22 hr 59 min | Yes |
| 11 | 17 Nov 1964, 7:47 am GMT+8 | 18 Nov 1964, 5:35 am GMT+8 | 21 hr 47 min | Yes |
| 12 | 16 Dec 1964, 8:47 pm GMT+8 | 17 Dec 1964, 5:46 pm GMT+8 | 20 hr 59 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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