Tritiya (तृतीया) dates and timings in Perth for 1977
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 | 21 Jan 1977, 7:06 pm GMT+8 | 22 Jan 1977, 6:33 pm GMT+8 | 23 hr 27 min | Yes |
| 2 | 20 Feb 1977, 11:37 am GMT+8 | 21 Feb 1977, 12:35 pm GMT+8 | 24 hr 58 min | Yes |
| 3 | 22 Mar 1977, 5:26 am GMT+8 | 23 Mar 1977, 7:34 am GMT+8 | 26 hr 8 min | Yes |
| 4 | 20 Apr 1977, 11:17 pm GMT+8 | 22 Apr 1977, 1:51 am GMT+8 | 26 hr 34 min | Yes |
| 5 | 20 May 1977, 3:50 pm GMT+8 | 21 May 1977, 6:06 pm GMT+8 | 26 hr 16 min | Yes |
| 6 | 19 Jun 1977, 6:17 am GMT+8 | 20 Jun 1977, 7:45 am GMT+8 | 25 hr 28 min | Yes |
| 7 | 18 Jul 1977, 6:32 pm GMT+8 | 19 Jul 1977, 6:55 pm GMT+8 | 24 hr 23 min | Yes |
| 8 | 17 Aug 1977, 5:01 am GMT+8 | 18 Aug 1977, 4:13 am GMT+8 | 23 hr 12 min | Yes |
| 9 | 15 Sept 1977, 2:21 pm GMT+8 | 16 Sept 1977, 12:23 pm GMT+8 | 22 hr 2 min | Yes |
| 10 | 14 Oct 1977, 11:09 pm GMT+8 | 15 Oct 1977, 8:13 pm GMT+8 | 21 hr 4 min | Yes |
| 11 | 13 Nov 1977, 8:06 am GMT+8 | 14 Nov 1977, 4:36 am GMT+8 | 20 hr 31 min | Yes |
| 12 | 12 Dec 1977, 5:50 pm GMT+8 | 13 Dec 1977, 2:21 pm GMT+8 | 20 hr 31 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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