Tritiya (तृतीया) dates and timings in Perth for 1980
Verified astronomical start and end times for lunar day 3 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 | 19 Jan 1980, 11:40 pm GMT+8 | 20 Jan 1980, 8:43 pm GMT+8 | 21 hr 3 min | Yes |
| 2 | 18 Feb 1980, 9:49 am GMT+8 | 19 Feb 1980, 6:25 am GMT+8 | 20 hr 36 min | Yes |
| 3 | 18 Mar 1980, 7:27 pm GMT+8 | 19 Mar 1980, 4:05 pm GMT+8 | 20 hr 38 min | Yes |
| 4 | 17 Apr 1980, 4:54 am GMT+8 | 18 Apr 1980, 2:07 am GMT+8 | 21 hr 13 min | Yes |
| 5 | 16 May 1980, 2:50 pm GMT+8 | 17 May 1980, 1:08 pm GMT+8 | 22 hr 18 min | Yes |
| 6 | 15 Jun 1980, 2:03 am GMT+8 | 16 Jun 1980, 1:45 am GMT+8 | 23 hr 42 min | Yes |
| 7 | 14 Jul 1980, 3:07 pm GMT+8 | 15 Jul 1980, 4:11 pm GMT+8 | 25 hr 5 min | Yes |
| 8 | 13 Aug 1980, 6:08 am GMT+8 | 14 Aug 1980, 8:13 am GMT+8 | 26 hr 5 min | Yes |
| 9 | 11 Sept 1980, 10:38 pm GMT+8 | 13 Sept 1980, 1:08 am GMT+8 | 26 hr 30 min | Yes |
| 10 | 11 Oct 1980, 3:47 pm GMT+8 | 12 Oct 1980, 6:05 pm GMT+8 | 26 hr 18 min | Yes |
| 11 | 10 Nov 1980, 8:42 am GMT+8 | 11 Nov 1980, 10:16 am GMT+8 | 25 hr 34 min | Yes |
| 12 | 10 Dec 1980, 12:33 am GMT+8 | 11 Dec 1980, 12:58 am GMT+8 | 24 hr 25 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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