Trayodashi (त्रयोदशी) dates and timings in Perth for 1912
Verified astronomical start and end times for lunar day 13 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 | 2 Jan 1912, 8:25 am GMT+8 | 3 Jan 1912, 5:07 am GMT+8 | 20 hr 42 min | Yes |
| 2 | 31 Jan 1912, 7:01 pm GMT+8 | 1 Feb 1912, 3:27 pm GMT+8 | 20 hr 26 min | Yes |
| 3 | 1 Mar 1912, 4:00 am GMT+8 | 2 Mar 1912, 12:47 am GMT+8 | 20 hr 47 min | Yes |
| 4 | 30 Mar 1912, 12:09 pm GMT+8 | 31 Mar 1912, 9:50 am GMT+8 | 21 hr 40 min | Yes |
| 5 | 28 Apr 1912, 8:28 pm GMT+8 | 29 Apr 1912, 7:21 pm GMT+8 | 22 hr 53 min | Yes |
| 6 | 28 May 1912, 5:48 am GMT+8 | 29 May 1912, 5:58 am GMT+8 | 24 hr 10 min | Yes |
| 7 | 26 Jun 1912, 4:46 pm GMT+8 | 27 Jun 1912, 6:03 pm GMT+8 | 25 hr 17 min | Yes |
| 8 | 26 Jul 1912, 5:45 am GMT+8 | 27 Jul 1912, 7:50 am GMT+8 | 26 hr 5 min | Yes |
| 9 | 24 Aug 1912, 8:55 pm GMT+8 | 25 Aug 1912, 11:20 pm GMT+8 | 26 hr 25 min | Yes |
| 10 | 23 Sept 1912, 2:01 pm GMT+8 | 24 Sept 1912, 4:12 pm GMT+8 | 26 hr 11 min | Yes |
| 11 | 23 Oct 1912, 8:17 am GMT+8 | 24 Oct 1912, 9:36 am GMT+8 | 25 hr 19 min | Yes |
| 12 | 22 Nov 1912, 2:26 am GMT+8 | 23 Nov 1912, 2:22 am GMT+8 | 23 hr 56 min | Yes |
| 13 | 21 Dec 1912, 7:04 pm GMT+8 | 22 Dec 1912, 5:29 pm GMT+8 | 22 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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