Trayodashi (त्रयोदशी) dates and timings in Perth for 2073
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 | 21 Jan 2073, 10:12 am GMT+8 | 22 Jan 2073, 8:43 am GMT+8 | 22 hr 31 min | Yes |
| 2 | 20 Feb 2073, 12:26 am GMT+8 | 20 Feb 2073, 9:53 pm GMT+8 | 21 hr 27 min | No |
| 3 | 21 Mar 2073, 11:56 am GMT+8 | 22 Mar 2073, 8:42 am GMT+8 | 20 hr 46 min | Yes |
| 4 | 19 Apr 2073, 8:49 pm GMT+8 | 20 Apr 2073, 5:19 pm GMT+8 | 20 hr 31 min | Yes |
| 5 | 19 May 2073, 3:40 am GMT+8 | 20 May 2073, 12:24 am GMT+8 | 20 hr 44 min | Yes |
| 6 | 17 Jun 2073, 9:37 am GMT+8 | 18 Jun 2073, 7:04 am GMT+8 | 21 hr 26 min | Yes |
| 7 | 16 Jul 2073, 4:05 pm GMT+8 | 17 Jul 2073, 2:39 pm GMT+8 | 22 hr 35 min | Yes |
| 8 | 15 Aug 2073, 12:28 am GMT+8 | 16 Aug 2073, 12:26 am GMT+8 | 23 hr 58 min | Yes |
| 9 | 13 Sept 2073, 11:53 am GMT+8 | 14 Sept 2073, 1:12 pm GMT+8 | 25 hr 19 min | Yes |
| 10 | 13 Oct 2073, 2:45 am GMT+8 | 14 Oct 2073, 5:01 am GMT+8 | 26 hr 15 min | Yes |
| 11 | 11 Nov 2073, 8:38 pm GMT+8 | 12 Nov 2073, 11:12 pm GMT+8 | 26 hr 33 min | Yes |
| 12 | 11 Dec 2073, 4:23 pm GMT+8 | 12 Dec 2073, 6:34 pm GMT+8 | 26 hr 10 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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