Tritiya (तृतीया) dates and timings in Perth for 1915
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 | 3 Jan 1915, 9:36 pm GMT+8 | 4 Jan 1915, 9:39 pm GMT+8 | 24 hr 3 min | Yes |
| 2 | 2 Feb 1915, 11:06 am GMT+8 | 3 Feb 1915, 9:46 am GMT+8 | 22 hr 40 min | Yes |
| 3 | 3 Mar 1915, 10:09 pm GMT+8 | 4 Mar 1915, 7:34 pm GMT+8 | 21 hr 26 min | Yes |
| 4 | 2 Apr 1915, 7:03 am GMT+8 | 3 Apr 1915, 3:40 am GMT+8 | 20 hr 37 min | Yes |
| 5 | 1 May 1915, 2:37 pm GMT+8 | 2 May 1915, 11:01 am GMT+8 | 20 hr 23 min | Yes |
| 6 | 30 May 1915, 9:57 pm GMT+8 | 31 May 1915, 6:41 pm GMT+8 | 20 hr 45 min | Yes |
| 7 | 29 Jun 1915, 6:04 am GMT+8 | 30 Jun 1915, 3:38 am GMT+8 | 21 hr 35 min | Yes |
| 8 | 28 Jul 1915, 3:51 pm GMT+8 | 29 Jul 1915, 2:34 pm GMT+8 | 22 hr 43 min | Yes |
| 9 | 27 Aug 1915, 3:53 am GMT+8 | 28 Aug 1915, 3:52 am GMT+8 | 23 hr 59 min | Yes |
| 10 | 25 Sept 1915, 6:28 pm GMT+8 | 26 Sept 1915, 7:41 pm GMT+8 | 25 hr 14 min | Yes |
| 11 | 25 Oct 1915, 11:32 am GMT+8 | 26 Oct 1915, 1:45 pm GMT+8 | 26 hr 13 min | Yes |
| 12 | 24 Nov 1915, 6:30 am GMT+8 | 25 Nov 1915, 9:10 am GMT+8 | 26 hr 40 min | Yes |
| 13 | 24 Dec 1915, 2:00 am GMT+8 | 25 Dec 1915, 4:19 am GMT+8 | 26 hr 20 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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