Tritiya (तृतीया) dates and timings in Perth for 2077
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 | 11 Jan 2077, 4:16 pm GMT+8 | 12 Jan 2077, 6:33 pm GMT+8 | 26 hr 17 min | Yes |
| 2 | 10 Feb 2077, 12:00 pm GMT+8 | 11 Feb 2077, 2:32 pm GMT+8 | 26 hr 32 min | Yes |
| 3 | 12 Mar 2077, 6:28 am GMT+8 | 13 Mar 2077, 8:36 am GMT+8 | 26 hr 8 min | Yes |
| 4 | 10 Apr 2077, 10:28 pm GMT+8 | 11 Apr 2077, 11:38 pm GMT+8 | 25 hr 10 min | Yes |
| 5 | 10 May 2077, 11:23 am GMT+8 | 11 May 2077, 11:13 am GMT+8 | 23 hr 50 min | Yes |
| 6 | 8 Jun 2077, 9:15 pm GMT+8 | 9 Jun 2077, 7:43 pm GMT+8 | 22 hr 27 min | Yes |
| 7 | 8 Jul 2077, 4:48 am GMT+8 | 9 Jul 2077, 2:07 am GMT+8 | 21 hr 19 min | Yes |
| 8 | 6 Aug 2077, 11:11 am GMT+8 | 7 Aug 2077, 7:48 am GMT+8 | 20 hr 37 min | Yes |
| 9 | 4 Sept 2077, 5:48 pm GMT+8 | 5 Sept 2077, 2:14 pm GMT+8 | 20 hr 27 min | Yes |
| 10 | 4 Oct 2077, 1:53 am GMT+8 | 4 Oct 2077, 10:41 pm GMT+8 | 20 hr 48 min | No |
| 11 | 2 Nov 2077, 12:20 pm GMT+8 | 3 Nov 2077, 9:56 am GMT+8 | 21 hr 35 min | Yes |
| 12 | 2 Dec 2077, 1:28 am GMT+8 | 3 Dec 2077, 12:11 am GMT+8 | 22 hr 43 min | Yes |
| 13 | 31 Dec 2077, 5:06 pm GMT+8 | 1 Jan 2078, 5:10 pm GMT+8 | 24 hr 4 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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