Trayodashi (त्रयोदशी) dates and timings in Perth for 1949
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 | 12 Jan 1949, 11:50 am GMT+8 | 13 Jan 1949, 10:31 am GMT+8 | 22 hr 41 min | Yes |
| 2 | 11 Feb 1949, 2:19 am GMT+8 | 11 Feb 1949, 11:44 pm GMT+8 | 21 hr 25 min | No |
| 3 | 12 Mar 1949, 1:50 pm GMT+8 | 13 Mar 1949, 10:31 am GMT+8 | 20 hr 41 min | Yes |
| 4 | 10 Apr 1949, 10:53 pm GMT+8 | 11 Apr 1949, 7:24 pm GMT+8 | 20 hr 31 min | Yes |
| 5 | 10 May 1949, 6:12 am GMT+8 | 11 May 1949, 3:02 am GMT+8 | 20 hr 50 min | Yes |
| 6 | 8 Jun 1949, 12:39 pm GMT+8 | 9 Jun 1949, 10:09 am GMT+8 | 21 hr 30 min | Yes |
| 7 | 7 Jul 1949, 7:17 pm GMT+8 | 8 Jul 1949, 5:45 pm GMT+8 | 22 hr 28 min | Yes |
| 8 | 6 Aug 1949, 3:15 am GMT+8 | 7 Aug 1949, 2:55 am GMT+8 | 23 hr 40 min | Yes |
| 9 | 4 Sept 1949, 1:46 pm GMT+8 | 5 Sept 1949, 2:45 pm GMT+8 | 24 hr 59 min | Yes |
| 10 | 4 Oct 1949, 3:45 am GMT+8 | 5 Oct 1949, 5:53 am GMT+8 | 26 hr 7 min | Yes |
| 11 | 2 Nov 1949, 9:16 pm GMT+8 | 3 Nov 1949, 11:58 pm GMT+8 | 26 hr 42 min | Yes |
| 12 | 2 Dec 1949, 5:12 pm GMT+8 | 3 Dec 1949, 7:37 pm GMT+8 | 26 hr 25 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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