Tritiya (तृतीया) dates and timings in Perth for 1921
Verified astronomical start and end times for lunar day 3 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 1921, 6:27 pm GMT+8 | 12 Jan 1921, 8:47 pm GMT+8 | 26 hr 20 min | Yes |
| 2 | 10 Feb 1921, 12:28 pm GMT+8 | 11 Feb 1921, 1:57 pm GMT+8 | 25 hr 29 min | Yes |
| 3 | 12 Mar 1921, 3:48 am GMT+8 | 13 Mar 1921, 4:01 am GMT+8 | 24 hr 13 min | Yes |
| 4 | 10 Apr 1921, 3:55 pm GMT+8 | 11 Apr 1921, 2:43 pm GMT+8 | 22 hr 49 min | Yes |
| 5 | 10 May 1921, 1:02 am GMT+8 | 10 May 1921, 10:35 pm GMT+8 | 21 hr 34 min | No |
| 6 | 8 Jun 1921, 8:00 am GMT+8 | 9 Jun 1921, 4:43 am GMT+8 | 20 hr 43 min | Yes |
| 7 | 7 Jul 1921, 2:06 pm GMT+8 | 8 Jul 1921, 10:31 am GMT+8 | 20 hr 25 min | Yes |
| 8 | 5 Aug 1921, 8:39 pm GMT+8 | 6 Aug 1921, 5:19 pm GMT+8 | 20 hr 40 min | Yes |
| 9 | 4 Sept 1921, 4:54 am GMT+8 | 5 Sept 1921, 2:17 am GMT+8 | 21 hr 23 min | Yes |
| 10 | 3 Oct 1921, 3:41 pm GMT+8 | 4 Oct 1921, 2:09 pm GMT+8 | 22 hr 28 min | Yes |
| 11 | 2 Nov 1921, 5:23 am GMT+8 | 3 Nov 1921, 5:09 am GMT+8 | 23 hr 46 min | Yes |
| 12 | 1 Dec 1921, 9:57 pm GMT+8 | 2 Dec 1921, 11:03 pm GMT+8 | 25 hr 6 min | Yes |
| 13 | 31 Dec 1921, 4:46 pm GMT+8 | 1 Jan 1922, 6:58 pm GMT+8 | 26 hr 12 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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