Tritiya (तृतीया) dates and timings in Perth for 1923
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 | 5 Jan 1923, 7:43 am GMT+8 | 6 Jan 1923, 5:53 am GMT+8 | 22 hr 11 min | Yes |
| 2 | 3 Feb 1923, 6:43 pm GMT+8 | 4 Feb 1923, 3:57 pm GMT+8 | 21 hr 14 min | Yes |
| 3 | 5 Mar 1923, 4:37 am GMT+8 | 6 Mar 1923, 1:16 am GMT+8 | 20 hr 39 min | Yes |
| 4 | 3 Apr 1923, 1:38 pm GMT+8 | 4 Apr 1923, 10:09 am GMT+8 | 20 hr 31 min | Yes |
| 5 | 2 May 1923, 10:15 pm GMT+8 | 3 May 1923, 7:10 pm GMT+8 | 20 hr 56 min | Yes |
| 6 | 1 Jun 1923, 7:13 am GMT+8 | 2 Jun 1923, 5:05 am GMT+8 | 21 hr 52 min | Yes |
| 7 | 30 Jun 1923, 5:29 pm GMT+8 | 1 Jul 1923, 4:40 pm GMT+8 | 23 hr 11 min | Yes |
| 8 | 30 Jul 1923, 5:52 am GMT+8 | 31 Jul 1923, 6:29 am GMT+8 | 24 hr 37 min | Yes |
| 9 | 28 Aug 1923, 8:39 pm GMT+8 | 29 Aug 1923, 10:27 pm GMT+8 | 25 hr 48 min | Yes |
| 10 | 27 Sept 1923, 1:29 pm GMT+8 | 28 Sept 1923, 3:55 pm GMT+8 | 26 hr 26 min | Yes |
| 11 | 27 Oct 1923, 7:26 am GMT+8 | 28 Oct 1923, 9:52 am GMT+8 | 26 hr 26 min | Yes |
| 12 | 26 Nov 1923, 1:22 am GMT+8 | 27 Nov 1923, 3:12 am GMT+8 | 25 hr 51 min | Yes |
| 13 | 25 Dec 1923, 6:10 pm GMT+8 | 26 Dec 1923, 6:57 pm GMT+8 | 24 hr 47 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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