Tritiya (तृतीया) dates and timings in Perth for 2073
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 | 25 Jan 2073, 10:14 pm GMT+8 | 26 Jan 2073, 7:12 pm GMT+8 | 20 hr 58 min | Yes |
| 2 | 24 Feb 2073, 8:16 am GMT+8 | 25 Feb 2073, 4:49 am GMT+8 | 20 hr 33 min | Yes |
| 3 | 25 Mar 2073, 5:45 pm GMT+8 | 26 Mar 2073, 2:22 pm GMT+8 | 20 hr 37 min | Yes |
| 4 | 24 Apr 2073, 3:06 am GMT+8 | 25 Apr 2073, 12:22 am GMT+8 | 21 hr 16 min | Yes |
| 5 | 23 May 2073, 1:02 pm GMT+8 | 24 May 2073, 11:26 am GMT+8 | 22 hr 24 min | Yes |
| 6 | 22 Jun 2073, 12:23 am GMT+8 | 23 Jun 2073, 12:11 am GMT+8 | 23 hr 49 min | Yes |
| 7 | 21 Jul 2073, 1:39 pm GMT+8 | 22 Jul 2073, 2:48 pm GMT+8 | 25 hr 9 min | Yes |
| 8 | 20 Aug 2073, 4:52 am GMT+8 | 21 Aug 2073, 6:59 am GMT+8 | 26 hr 7 min | Yes |
| 9 | 18 Sept 2073, 9:31 pm GMT+8 | 20 Sept 2073, 12:00 am GMT+8 | 26 hr 29 min | Yes |
| 10 | 18 Oct 2073, 2:47 pm GMT+8 | 19 Oct 2073, 5:01 pm GMT+8 | 26 hr 14 min | Yes |
| 11 | 17 Nov 2073, 7:44 am GMT+8 | 18 Nov 2073, 9:12 am GMT+8 | 25 hr 28 min | Yes |
| 12 | 16 Dec 2073, 11:32 pm GMT+8 | 17 Dec 2073, 11:48 pm GMT+8 | 24 hr 17 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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