Tritiya (तृतीया) dates and timings in Perth for 1972
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 | 3 Jan 1972, 2:11 am GMT+8 | 4 Jan 1972, 2:06 am GMT+8 | 23 hr 55 min | Yes |
| 2 | 1 Feb 1972, 7:49 pm GMT+8 | 2 Feb 1972, 9:04 pm GMT+8 | 25 hr 15 min | Yes |
| 3 | 2 Mar 1972, 2:27 pm GMT+8 | 3 Mar 1972, 4:36 pm GMT+8 | 26 hr 9 min | Yes |
| 4 | 1 Apr 1972, 8:42 am GMT+8 | 2 Apr 1972, 11:10 am GMT+8 | 26 hr 28 min | Yes |
| 5 | 1 May 1972, 1:28 am GMT+8 | 2 May 1972, 3:39 am GMT+8 | 26 hr 11 min | Yes |
| 6 | 30 May 1972, 4:06 pm GMT+8 | 31 May 1972, 5:26 pm GMT+8 | 25 hr 20 min | Yes |
| 7 | 29 Jun 1972, 4:17 am GMT+8 | 30 Jun 1972, 4:23 am GMT+8 | 24 hr 6 min | Yes |
| 8 | 28 Jul 1972, 2:09 pm GMT+8 | 29 Jul 1972, 12:54 pm GMT+8 | 22 hr 45 min | Yes |
| 9 | 26 Aug 1972, 10:20 pm GMT+8 | 27 Aug 1972, 7:54 pm GMT+8 | 21 hr 33 min | Yes |
| 10 | 25 Sept 1972, 5:53 am GMT+8 | 26 Sept 1972, 2:38 am GMT+8 | 20 hr 45 min | Yes |
| 11 | 24 Oct 1972, 1:58 pm GMT+8 | 25 Oct 1972, 10:27 am GMT+8 | 20 hr 29 min | Yes |
| 12 | 22 Nov 1972, 11:36 pm GMT+8 | 23 Nov 1972, 8:21 pm GMT+8 | 20 hr 45 min | Yes |
| 13 | 22 Dec 1972, 11:17 am GMT+8 | 23 Dec 1972, 8:46 am GMT+8 | 21 hr 28 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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