Trayodashi (त्रयोदशी) dates and timings in Perth for 1919
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 | 13 Jan 1919, 9:33 pm GMT+8 | 14 Jan 1919, 7:40 pm GMT+8 | 22 hr 8 min | Yes |
| 2 | 12 Feb 1919, 8:35 am GMT+8 | 13 Feb 1919, 7:54 am GMT+8 | 23 hr 19 min | Yes |
| 3 | 13 Mar 1919, 8:48 pm GMT+8 | 14 Mar 1919, 9:22 pm GMT+8 | 24 hr 34 min | Yes |
| 4 | 12 Apr 1919, 10:26 am GMT+8 | 13 Apr 1919, 12:06 pm GMT+8 | 25 hr 41 min | Yes |
| 5 | 12 May 1919, 1:29 am GMT+8 | 13 May 1919, 3:54 am GMT+8 | 26 hr 25 min | Yes |
| 6 | 10 Jun 1919, 5:35 pm GMT+8 | 11 Jun 1919, 8:06 pm GMT+8 | 26 hr 31 min | Yes |
| 7 | 10 Jul 1919, 9:53 am GMT+8 | 11 Jul 1919, 11:46 am GMT+8 | 25 hr 53 min | Yes |
| 8 | 9 Aug 1919, 1:31 am GMT+8 | 10 Aug 1919, 2:12 am GMT+8 | 24 hr 41 min | Yes |
| 9 | 7 Sept 1919, 3:57 pm GMT+8 | 8 Sept 1919, 3:13 pm GMT+8 | 23 hr 16 min | Yes |
| 10 | 7 Oct 1919, 5:09 am GMT+8 | 8 Oct 1919, 3:09 am GMT+8 | 22 hr 0 min | Yes |
| 11 | 5 Nov 1919, 5:22 pm GMT+8 | 6 Nov 1919, 2:29 pm GMT+8 | 21 hr 7 min | Yes |
| 12 | 5 Dec 1919, 4:46 am GMT+8 | 6 Dec 1919, 1:26 am GMT+8 | 20 hr 40 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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