Trayodashi (त्रयोदशी) dates and timings in Perth for 2023
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 2023, 3:48 pm GMT+8 | 20 Jan 2023, 12:30 pm GMT+8 | 20 hr 42 min | Yes |
| 2 | 18 Feb 2023, 2:06 am GMT+8 | 18 Feb 2023, 10:32 pm GMT+8 | 20 hr 26 min | No |
| 3 | 19 Mar 2023, 10:37 am GMT+8 | 20 Mar 2023, 7:25 am GMT+8 | 20 hr 48 min | Yes |
| 4 | 17 Apr 2023, 6:16 pm GMT+8 | 18 Apr 2023, 3:57 pm GMT+8 | 21 hr 41 min | Yes |
| 5 | 17 May 2023, 2:06 am GMT+8 | 18 May 2023, 12:58 am GMT+8 | 22 hr 52 min | Yes |
| 6 | 15 Jun 2023, 11:02 am GMT+8 | 16 Jun 2023, 11:10 am GMT+8 | 24 hr 8 min | Yes |
| 7 | 14 Jul 2023, 9:47 pm GMT+8 | 15 Jul 2023, 11:03 pm GMT+8 | 25 hr 15 min | Yes |
| 8 | 13 Aug 2023, 10:50 am GMT+8 | 14 Aug 2023, 12:55 pm GMT+8 | 26 hr 6 min | Yes |
| 9 | 12 Sept 2023, 2:22 am GMT+8 | 13 Sept 2023, 4:51 am GMT+8 | 26 hr 29 min | Yes |
| 10 | 11 Oct 2023, 8:07 pm GMT+8 | 12 Oct 2023, 10:24 pm GMT+8 | 26 hr 16 min | Yes |
| 11 | 10 Nov 2023, 3:06 pm GMT+8 | 11 Nov 2023, 4:28 pm GMT+8 | 25 hr 22 min | Yes |
| 12 | 10 Dec 2023, 9:43 am GMT+8 | 11 Dec 2023, 9:40 am GMT+8 | 23 hr 57 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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