Tritiya (तृतीया) dates and timings in Perth for 2057
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 | 23 Jan 2057, 5:09 am GMT+8 | 24 Jan 2057, 5:01 am GMT+8 | 23 hr 52 min | Yes |
| 2 | 21 Feb 2057, 5:56 pm GMT+8 | 22 Feb 2057, 4:21 pm GMT+8 | 22 hr 26 min | Yes |
| 3 | 23 Mar 2057, 4:00 am GMT+8 | 24 Mar 2057, 1:21 am GMT+8 | 21 hr 21 min | Yes |
| 4 | 21 Apr 2057, 12:16 pm GMT+8 | 22 Apr 2057, 8:59 am GMT+8 | 20 hr 44 min | Yes |
| 5 | 20 May 2057, 7:39 pm GMT+8 | 21 May 2057, 4:13 pm GMT+8 | 20 hr 34 min | Yes |
| 6 | 19 Jun 2057, 3:01 am GMT+8 | 19 Jun 2057, 11:50 pm GMT+8 | 20 hr 49 min | No |
| 7 | 18 Jul 2057, 11:07 am GMT+8 | 19 Jul 2057, 8:35 am GMT+8 | 21 hr 29 min | Yes |
| 8 | 16 Aug 2057, 8:45 pm GMT+8 | 17 Aug 2057, 7:17 pm GMT+8 | 22 hr 32 min | Yes |
| 9 | 15 Sept 2057, 8:49 am GMT+8 | 16 Sept 2057, 8:44 am GMT+8 | 23 hr 55 min | Yes |
| 10 | 14 Oct 2057, 11:57 pm GMT+8 | 16 Oct 2057, 1:19 am GMT+8 | 25 hr 22 min | Yes |
| 11 | 13 Nov 2057, 6:06 pm GMT+8 | 14 Nov 2057, 8:32 pm GMT+8 | 26 hr 26 min | Yes |
| 12 | 13 Dec 2057, 2:02 pm GMT+8 | 14 Dec 2057, 4:44 pm GMT+8 | 26 hr 43 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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