Tritiya (तृतीया) dates and timings in Perth for 1900
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 | 18 Jan 1900, 7:14 am GMT+8 | 19 Jan 1900, 9:39 am GMT+8 | 26 hr 26 min | Yes |
| 2 | 17 Feb 1900, 2:48 am GMT+8 | 18 Feb 1900, 5:17 am GMT+8 | 26 hr 29 min | Yes |
| 3 | 18 Mar 1900, 8:39 pm GMT+8 | 19 Mar 1900, 10:34 pm GMT+8 | 25 hr 54 min | Yes |
| 4 | 17 Apr 1900, 11:49 am GMT+8 | 18 Apr 1900, 12:39 pm GMT+8 | 24 hr 50 min | Yes |
| 5 | 16 May 1900, 11:52 pm GMT+8 | 17 May 1900, 11:21 pm GMT+8 | 23 hr 29 min | Yes |
| 6 | 15 Jun 1900, 9:03 am GMT+8 | 16 Jun 1900, 7:12 am GMT+8 | 22 hr 9 min | Yes |
| 7 | 14 Jul 1900, 4:12 pm GMT+8 | 15 Jul 1900, 1:18 pm GMT+8 | 21 hr 6 min | Yes |
| 8 | 12 Aug 1900, 10:32 pm GMT+8 | 13 Aug 1900, 7:02 pm GMT+8 | 20 hr 31 min | Yes |
| 9 | 11 Sept 1900, 5:23 am GMT+8 | 12 Sept 1900, 1:52 am GMT+8 | 20 hr 28 min | Yes |
| 10 | 10 Oct 1900, 2:00 pm GMT+8 | 11 Oct 1900, 10:57 am GMT+8 | 20 hr 57 min | Yes |
| 11 | 9 Nov 1900, 1:09 am GMT+8 | 9 Nov 1900, 11:01 pm GMT+8 | 21 hr 52 min | No |
| 12 | 8 Dec 1900, 3:02 pm GMT+8 | 9 Dec 1900, 2:07 pm GMT+8 | 23 hr 5 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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