Tritiya (तृतीया) dates and timings in Perth for 2066
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 | 14 Jan 2066, 1:51 am GMT+8 | 15 Jan 2066, 2:32 am GMT+8 | 24 hr 41 min | Yes |
| 2 | 12 Feb 2066, 4:11 pm GMT+8 | 13 Feb 2066, 3:22 pm GMT+8 | 23 hr 11 min | Yes |
| 3 | 14 Mar 2066, 3:28 am GMT+8 | 15 Mar 2066, 1:21 am GMT+8 | 21 hr 53 min | Yes |
| 4 | 12 Apr 2066, 12:23 pm GMT+8 | 13 Apr 2066, 9:23 am GMT+8 | 21 hr 1 min | Yes |
| 5 | 11 May 2066, 7:56 pm GMT+8 | 12 May 2066, 4:32 pm GMT+8 | 20 hr 36 min | Yes |
| 6 | 10 Jun 2066, 3:04 am GMT+8 | 10 Jun 2066, 11:41 pm GMT+8 | 20 hr 37 min | No |
| 7 | 9 Jul 2066, 10:35 am GMT+8 | 10 Jul 2066, 7:39 am GMT+8 | 21 hr 3 min | Yes |
| 8 | 7 Aug 2066, 7:18 pm GMT+8 | 8 Aug 2066, 5:11 pm GMT+8 | 21 hr 54 min | Yes |
| 9 | 6 Sept 2066, 6:03 am GMT+8 | 7 Sept 2066, 5:10 am GMT+8 | 23 hr 7 min | Yes |
| 10 | 5 Oct 2066, 7:40 pm GMT+8 | 6 Oct 2066, 8:15 pm GMT+8 | 24 hr 36 min | Yes |
| 11 | 4 Nov 2066, 12:30 pm GMT+8 | 5 Nov 2066, 2:26 pm GMT+8 | 25 hr 56 min | Yes |
| 12 | 4 Dec 2066, 7:53 am GMT+8 | 5 Dec 2066, 10:34 am GMT+8 | 26 hr 41 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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