Tritiya (तृतीया) dates and timings in Perth for 2023
Verified astronomical start and end times for lunar day 18 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 | 9 Jan 2023, 12:09 pm GMT+8 | 10 Jan 2023, 2:40 pm GMT+8 | 26 hr 30 min | Yes |
| 2 | 8 Feb 2023, 6:58 am GMT+8 | 9 Feb 2023, 8:53 am GMT+8 | 25 hr 55 min | Yes |
| 3 | 9 Mar 2023, 11:24 pm GMT+8 | 11 Mar 2023, 12:12 am GMT+8 | 24 hr 48 min | Yes |
| 4 | 8 Apr 2023, 12:41 pm GMT+8 | 9 Apr 2023, 12:06 pm GMT+8 | 23 hr 25 min | Yes |
| 5 | 7 May 2023, 10:45 pm GMT+8 | 8 May 2023, 8:49 pm GMT+8 | 22 hr 3 min | Yes |
| 6 | 6 Jun 2023, 6:19 am GMT+8 | 7 Jun 2023, 3:20 am GMT+8 | 21 hr 1 min | Yes |
| 7 | 5 Jul 2023, 12:32 pm GMT+8 | 6 Jul 2023, 9:00 am GMT+8 | 20 hr 28 min | Yes |
| 8 | 3 Aug 2023, 6:47 pm GMT+8 | 4 Aug 2023, 3:15 pm GMT+8 | 20 hr 28 min | Yes |
| 9 | 2 Sept 2023, 2:20 am GMT+8 | 2 Sept 2023, 11:19 pm GMT+8 | 20 hr 59 min | No |
| 10 | 1 Oct 2023, 12:12 pm GMT+8 | 2 Oct 2023, 10:06 am GMT+8 | 21 hr 55 min | Yes |
| 11 | 31 Oct 2023, 12:53 am GMT+8 | 1 Nov 2023, 12:00 am GMT+8 | 23 hr 7 min | Yes |
| 12 | 29 Nov 2023, 4:27 pm GMT+8 | 30 Nov 2023, 4:55 pm GMT+8 | 24 hr 28 min | Yes |
| 13 | 29 Dec 2023, 10:30 am GMT+8 | 30 Dec 2023, 12:14 pm GMT+8 | 25 hr 44 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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