Tritiya (तृतीया) dates and timings in Perth for 1973
Verified astronomical start and end times for lunar day 3 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 | 7 Jan 1973, 2:44 am GMT+8 | 8 Jan 1973, 3:36 am GMT+8 | 24 hr 52 min | Yes |
| 2 | 5 Feb 1973, 5:27 pm GMT+8 | 6 Feb 1973, 4:48 pm GMT+8 | 23 hr 21 min | Yes |
| 3 | 7 Mar 1973, 5:06 am GMT+8 | 8 Mar 1973, 3:07 am GMT+8 | 22 hr 1 min | Yes |
| 4 | 5 Apr 1973, 2:17 pm GMT+8 | 6 Apr 1973, 11:22 am GMT+8 | 21 hr 5 min | Yes |
| 5 | 4 May 1973, 9:59 pm GMT+8 | 5 May 1973, 6:37 pm GMT+8 | 20 hr 38 min | Yes |
| 6 | 3 Jun 1973, 5:10 am GMT+8 | 4 Jun 1973, 1:48 am GMT+8 | 20 hr 38 min | Yes |
| 7 | 2 Jul 1973, 12:39 pm GMT+8 | 3 Jul 1973, 9:41 am GMT+8 | 21 hr 2 min | Yes |
| 8 | 31 Jul 1973, 9:12 pm GMT+8 | 1 Aug 1973, 7:03 pm GMT+8 | 21 hr 50 min | Yes |
| 9 | 30 Aug 1973, 7:41 am GMT+8 | 31 Aug 1973, 6:43 am GMT+8 | 23 hr 2 min | Yes |
| 10 | 28 Sept 1973, 8:54 pm GMT+8 | 29 Sept 1973, 9:22 pm GMT+8 | 24 hr 28 min | Yes |
| 11 | 28 Oct 1973, 1:18 pm GMT+8 | 29 Oct 1973, 3:08 pm GMT+8 | 25 hr 50 min | Yes |
| 12 | 27 Nov 1973, 8:24 am GMT+8 | 28 Nov 1973, 11:04 am GMT+8 | 26 hr 40 min | Yes |
| 13 | 27 Dec 1973, 4:33 am GMT+8 | 28 Dec 1973, 7:11 am GMT+8 | 26 hr 38 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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