Tritiya (तृतीया) dates and timings in Perth for 2037
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 | 4 Jan 2037, 4:24 am GMT+8 | 5 Jan 2037, 1:16 am GMT+8 | 20 hr 52 min | Yes |
| 2 | 2 Feb 2037, 2:46 pm GMT+8 | 3 Feb 2037, 11:19 am GMT+8 | 20 hr 33 min | Yes |
| 3 | 4 Mar 2037, 1:02 am GMT+8 | 4 Mar 2037, 9:46 pm GMT+8 | 20 hr 44 min | No |
| 4 | 2 Apr 2037, 11:25 am GMT+8 | 3 Apr 2037, 8:54 am GMT+8 | 21 hr 29 min | Yes |
| 5 | 1 May 2037, 10:27 pm GMT+8 | 2 May 2037, 9:09 pm GMT+8 | 22 hr 43 min | Yes |
| 6 | 31 May 2037, 10:43 am GMT+8 | 1 Jun 2037, 10:52 am GMT+8 | 24 hr 9 min | Yes |
| 7 | 30 Jun 2037, 12:33 am GMT+8 | 1 Jul 2037, 2:00 am GMT+8 | 25 hr 26 min | Yes |
| 8 | 29 Jul 2037, 3:49 pm GMT+8 | 30 Jul 2037, 6:04 pm GMT+8 | 26 hr 15 min | Yes |
| 9 | 28 Aug 2037, 7:56 am GMT+8 | 29 Aug 2037, 10:22 am GMT+8 | 26 hr 27 min | Yes |
| 10 | 27 Sept 2037, 12:12 am GMT+8 | 28 Sept 2037, 2:15 am GMT+8 | 26 hr 4 min | Yes |
| 11 | 26 Oct 2037, 3:58 pm GMT+8 | 27 Oct 2037, 5:10 pm GMT+8 | 25 hr 12 min | Yes |
| 12 | 25 Nov 2037, 6:43 am GMT+8 | 26 Nov 2037, 6:43 am GMT+8 | 24 hr 0 min | Yes |
| 13 | 24 Dec 2037, 8:00 pm GMT+8 | 25 Dec 2037, 6:39 pm GMT+8 | 22 hr 39 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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