Trayodashi (त्रयोदशी) dates and timings in Perth for 1903
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 | 11 Jan 1903, 9:31 am GMT+8 | 12 Jan 1903, 6:00 am GMT+8 | 20 hr 29 min | Yes |
| 2 | 9 Feb 1903, 7:16 pm GMT+8 | 10 Feb 1903, 3:50 pm GMT+8 | 20 hr 33 min | Yes |
| 3 | 11 Mar 1903, 3:53 am GMT+8 | 12 Mar 1903, 1:06 am GMT+8 | 21 hr 13 min | Yes |
| 4 | 9 Apr 1903, 12:13 pm GMT+8 | 10 Apr 1903, 10:33 am GMT+8 | 22 hr 20 min | Yes |
| 5 | 8 May 1903, 9:13 pm GMT+8 | 9 May 1903, 8:50 pm GMT+8 | 23 hr 37 min | Yes |
| 6 | 7 Jun 1903, 7:33 am GMT+8 | 8 Jun 1903, 8:23 am GMT+8 | 24 hr 50 min | Yes |
| 7 | 6 Jul 1903, 7:40 pm GMT+8 | 7 Jul 1903, 9:27 pm GMT+8 | 25 hr 47 min | Yes |
| 8 | 5 Aug 1903, 9:48 am GMT+8 | 6 Aug 1903, 12:08 pm GMT+8 | 26 hr 20 min | Yes |
| 9 | 4 Sept 1903, 1:54 am GMT+8 | 5 Sept 1903, 4:16 am GMT+8 | 26 hr 21 min | Yes |
| 10 | 3 Oct 1903, 7:31 pm GMT+8 | 4 Oct 1903, 9:17 pm GMT+8 | 25 hr 46 min | Yes |
| 11 | 2 Nov 1903, 1:38 pm GMT+8 | 3 Nov 1903, 2:13 pm GMT+8 | 24 hr 35 min | Yes |
| 12 | 2 Dec 1903, 6:55 am GMT+8 | 3 Dec 1903, 6:00 am GMT+8 | 23 hr 5 min | Yes |
| 13 | 31 Dec 1903, 10:14 pm GMT+8 | 1 Jan 1904, 7:57 pm GMT+8 | 21 hr 43 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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