Tritiya (तृतीया) dates and timings in Perth for 1937
Verified astronomical start and end times for lunar day 18 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 | 28 Jan 1937, 11:46 pm GMT+8 | 29 Jan 1937, 11:55 pm GMT+8 | 24 hr 9 min | Yes |
| 2 | 27 Feb 1937, 4:59 pm GMT+8 | 28 Feb 1937, 6:26 pm GMT+8 | 25 hr 27 min | Yes |
| 3 | 29 Mar 1937, 10:52 am GMT+8 | 30 Mar 1937, 1:14 pm GMT+8 | 26 hr 23 min | Yes |
| 4 | 28 Apr 1937, 4:24 am GMT+8 | 29 Apr 1937, 7:00 am GMT+8 | 26 hr 36 min | Yes |
| 5 | 27 May 1937, 8:26 pm GMT+8 | 28 May 1937, 10:29 pm GMT+8 | 26 hr 2 min | Yes |
| 6 | 26 Jun 1937, 10:07 am GMT+8 | 27 Jun 1937, 11:02 am GMT+8 | 24 hr 55 min | Yes |
| 7 | 25 Jul 1937, 9:18 pm GMT+8 | 26 Jul 1937, 8:53 pm GMT+8 | 23 hr 35 min | Yes |
| 8 | 24 Aug 1937, 6:32 am GMT+8 | 25 Aug 1937, 4:55 am GMT+8 | 22 hr 22 min | Yes |
| 9 | 22 Sept 1937, 2:54 pm GMT+8 | 23 Sept 1937, 12:19 pm GMT+8 | 21 hr 25 min | Yes |
| 10 | 21 Oct 1937, 11:26 pm GMT+8 | 22 Oct 1937, 8:14 pm GMT+8 | 20 hr 49 min | Yes |
| 11 | 20 Nov 1937, 8:52 am GMT+8 | 21 Nov 1937, 5:27 am GMT+8 | 20 hr 35 min | Yes |
| 12 | 19 Dec 1937, 7:34 pm GMT+8 | 20 Dec 1937, 4:23 pm GMT+8 | 20 hr 49 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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