Tritiya (तृतीया) dates and timings in Perth for 1903
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 | 15 Jan 1903, 2:58 pm GMT+8 | 16 Jan 1903, 11:56 am GMT+8 | 20 hr 59 min | Yes |
| 2 | 14 Feb 1903, 3:18 am GMT+8 | 15 Feb 1903, 1:21 am GMT+8 | 22 hr 3 min | Yes |
| 3 | 15 Mar 1903, 5:06 pm GMT+8 | 16 Mar 1903, 4:30 pm GMT+8 | 23 hr 24 min | Yes |
| 4 | 14 Apr 1903, 8:00 am GMT+8 | 15 Apr 1903, 8:42 am GMT+8 | 24 hr 42 min | Yes |
| 5 | 13 May 1903, 11:28 pm GMT+8 | 15 May 1903, 1:12 am GMT+8 | 25 hr 44 min | Yes |
| 6 | 12 Jun 1903, 3:05 pm GMT+8 | 13 Jun 1903, 5:24 pm GMT+8 | 26 hr 19 min | Yes |
| 7 | 12 Jul 1903, 6:27 am GMT+8 | 13 Jul 1903, 8:50 am GMT+8 | 26 hr 22 min | Yes |
| 8 | 10 Aug 1903, 9:16 pm GMT+8 | 11 Aug 1903, 11:06 pm GMT+8 | 25 hr 50 min | Yes |
| 9 | 9 Sept 1903, 11:04 am GMT+8 | 10 Sept 1903, 11:49 am GMT+8 | 24 hr 46 min | Yes |
| 10 | 8 Oct 1903, 11:30 pm GMT+8 | 9 Oct 1903, 10:53 pm GMT+8 | 23 hr 23 min | Yes |
| 11 | 7 Nov 1903, 10:35 am GMT+8 | 8 Nov 1903, 8:37 am GMT+8 | 22 hr 3 min | Yes |
| 12 | 6 Dec 1903, 8:45 pm GMT+8 | 7 Dec 1903, 5:48 pm GMT+8 | 21 hr 3 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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