Tritiya (तृतीया) dates and timings in Perth for 1961
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 1961, 12:17 pm GMT+8 | 5 Jan 1961, 2:59 pm GMT+8 | 26 hr 41 min | Yes |
| 2 | 3 Feb 1961, 7:41 am GMT+8 | 4 Feb 1961, 9:46 am GMT+8 | 26 hr 5 min | Yes |
| 3 | 5 Mar 1961, 12:32 am GMT+8 | 6 Mar 1961, 1:20 am GMT+8 | 24 hr 49 min | Yes |
| 4 | 3 Apr 1961, 1:49 pm GMT+8 | 4 Apr 1961, 1:08 pm GMT+8 | 23 hr 20 min | Yes |
| 5 | 2 May 1961, 11:44 pm GMT+8 | 3 May 1961, 9:46 pm GMT+8 | 22 hr 2 min | Yes |
| 6 | 1 Jun 1961, 7:18 am GMT+8 | 2 Jun 1961, 4:26 am GMT+8 | 21 hr 8 min | Yes |
| 7 | 30 Jun 1961, 1:49 pm GMT+8 | 1 Jul 1961, 10:28 am GMT+8 | 20 hr 39 min | Yes |
| 8 | 29 Jul 1961, 8:25 pm GMT+8 | 30 Jul 1961, 4:59 pm GMT+8 | 20 hr 34 min | Yes |
| 9 | 28 Aug 1961, 4:02 am GMT+8 | 29 Aug 1961, 12:57 am GMT+8 | 20 hr 55 min | Yes |
| 10 | 26 Sept 1961, 1:30 pm GMT+8 | 27 Sept 1961, 11:11 am GMT+8 | 21 hr 41 min | Yes |
| 11 | 26 Oct 1961, 1:30 am GMT+8 | 27 Oct 1961, 12:25 am GMT+8 | 22 hr 55 min | Yes |
| 12 | 24 Nov 1961, 4:35 pm GMT+8 | 25 Nov 1961, 5:00 pm GMT+8 | 24 hr 25 min | Yes |
| 13 | 24 Dec 1961, 10:41 am GMT+8 | 25 Dec 1961, 12:31 pm GMT+8 | 25 hr 50 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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