Tritiya (तृतीया) dates and timings in Perth for 1966
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 | 9 Jan 1966, 6:10 am GMT+8 | 10 Jan 1966, 2:39 am GMT+8 | 20 hr 29 min | Yes |
| 2 | 7 Feb 1966, 4:12 pm GMT+8 | 8 Feb 1966, 12:42 pm GMT+8 | 20 hr 30 min | Yes |
| 3 | 9 Mar 1966, 2:38 am GMT+8 | 9 Mar 1966, 11:46 pm GMT+8 | 21 hr 8 min | No |
| 4 | 7 Apr 1966, 1:54 pm GMT+8 | 8 Apr 1966, 12:07 pm GMT+8 | 22 hr 13 min | Yes |
| 5 | 7 May 1966, 2:10 am GMT+8 | 8 May 1966, 1:40 am GMT+8 | 23 hr 30 min | Yes |
| 6 | 5 Jun 1966, 3:30 pm GMT+8 | 6 Jun 1966, 4:14 pm GMT+8 | 24 hr 45 min | Yes |
| 7 | 5 Jul 1966, 5:50 am GMT+8 | 6 Jul 1966, 7:35 am GMT+8 | 25 hr 45 min | Yes |
| 8 | 3 Aug 1966, 9:07 pm GMT+8 | 4 Aug 1966, 11:29 pm GMT+8 | 26 hr 22 min | Yes |
| 9 | 2 Sept 1966, 1:07 pm GMT+8 | 3 Sept 1966, 3:33 pm GMT+8 | 26 hr 26 min | Yes |
| 10 | 2 Oct 1966, 5:14 am GMT+8 | 3 Oct 1966, 7:04 am GMT+8 | 25 hr 50 min | Yes |
| 11 | 31 Oct 1966, 8:35 pm GMT+8 | 1 Nov 1966, 9:14 pm GMT+8 | 24 hr 39 min | Yes |
| 12 | 30 Nov 1966, 10:23 am GMT+8 | 1 Dec 1966, 9:35 am GMT+8 | 23 hr 12 min | Yes |
| 13 | 29 Dec 1966, 10:22 pm GMT+8 | 30 Dec 1966, 8:14 pm GMT+8 | 21 hr 52 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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