Tritiya (तृतीया) dates and timings in Perth for 1912
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 | 6 Jan 1912, 1:47 pm GMT+8 | 7 Jan 1912, 10:24 am GMT+8 | 20 hr 37 min | Yes |
| 2 | 5 Feb 1912, 1:15 am GMT+8 | 5 Feb 1912, 10:40 pm GMT+8 | 21 hr 25 min | No |
| 3 | 5 Mar 1912, 2:06 pm GMT+8 | 6 Mar 1912, 12:45 pm GMT+8 | 22 hr 38 min | Yes |
| 4 | 4 Apr 1912, 4:12 am GMT+8 | 5 Apr 1912, 4:12 am GMT+8 | 24 hr 0 min | Yes |
| 5 | 3 May 1912, 7:09 pm GMT+8 | 4 May 1912, 8:21 pm GMT+8 | 25 hr 11 min | Yes |
| 6 | 2 Jun 1912, 10:32 am GMT+8 | 3 Jun 1912, 12:34 pm GMT+8 | 26 hr 2 min | Yes |
| 7 | 2 Jul 1912, 1:59 am GMT+8 | 3 Jul 1912, 4:24 am GMT+8 | 26 hr 25 min | Yes |
| 8 | 31 Jul 1912, 5:13 pm GMT+8 | 1 Aug 1912, 7:26 pm GMT+8 | 26 hr 13 min | Yes |
| 9 | 30 Aug 1912, 7:47 am GMT+8 | 31 Aug 1912, 9:13 am GMT+8 | 25 hr 25 min | Yes |
| 10 | 28 Sept 1912, 9:15 pm GMT+8 | 29 Sept 1912, 9:25 pm GMT+8 | 24 hr 10 min | Yes |
| 11 | 28 Oct 1912, 9:17 am GMT+8 | 29 Oct 1912, 8:03 am GMT+8 | 22 hr 46 min | Yes |
| 12 | 26 Nov 1912, 8:04 pm GMT+8 | 27 Nov 1912, 5:36 pm GMT+8 | 21 hr 33 min | Yes |
| 13 | 26 Dec 1912, 6:10 am GMT+8 | 27 Dec 1912, 2:56 am GMT+8 | 20 hr 47 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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