Trayodashi (त्रयोदशी) dates and timings in Perth for 1947
Verified astronomical start and end times for lunar day 28 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 | 19 Jan 1947, 9:06 am GMT+8 | 20 Jan 1947, 11:50 am GMT+8 | 26 hr 44 min | Yes |
| 2 | 18 Feb 1947, 5:27 am GMT+8 | 19 Feb 1947, 7:28 am GMT+8 | 26 hr 0 min | Yes |
| 3 | 20 Mar 1947, 12:05 am GMT+8 | 21 Mar 1947, 12:50 am GMT+8 | 24 hr 45 min | Yes |
| 4 | 18 Apr 1947, 3:54 pm GMT+8 | 19 Apr 1947, 3:17 pm GMT+8 | 23 hr 23 min | Yes |
| 5 | 18 May 1947, 4:45 am GMT+8 | 19 May 1947, 2:56 am GMT+8 | 22 hr 10 min | Yes |
| 6 | 16 Jun 1947, 2:59 pm GMT+8 | 17 Jun 1947, 12:13 pm GMT+8 | 21 hr 14 min | Yes |
| 7 | 15 Jul 1947, 11:09 pm GMT+8 | 16 Jul 1947, 7:48 pm GMT+8 | 20 hr 39 min | Yes |
| 8 | 14 Aug 1947, 6:00 am GMT+8 | 15 Aug 1947, 2:30 am GMT+8 | 20 hr 30 min | Yes |
| 9 | 12 Sept 1947, 12:32 pm GMT+8 | 13 Sept 1947, 9:23 am GMT+8 | 20 hr 51 min | Yes |
| 10 | 11 Oct 1947, 7:55 pm GMT+8 | 12 Oct 1947, 5:41 pm GMT+8 | 21 hr 46 min | Yes |
| 11 | 10 Nov 1947, 5:23 am GMT+8 | 11 Nov 1947, 4:30 am GMT+8 | 23 hr 6 min | Yes |
| 12 | 9 Dec 1947, 5:52 pm GMT+8 | 10 Dec 1947, 6:27 pm GMT+8 | 24 hr 35 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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