Tritiya (तृतीया) dates and timings in Perth for 1901
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 | 7 Jan 1901, 7:19 am GMT+8 | 8 Jan 1901, 7:45 am GMT+8 | 24 hr 26 min | Yes |
| 2 | 6 Feb 1901, 1:20 am GMT+8 | 7 Feb 1901, 3:02 am GMT+8 | 25 hr 42 min | Yes |
| 3 | 7 Mar 1901, 8:10 pm GMT+8 | 8 Mar 1901, 10:40 pm GMT+8 | 26 hr 31 min | Yes |
| 4 | 6 Apr 1901, 2:29 pm GMT+8 | 7 Apr 1901, 5:04 pm GMT+8 | 26 hr 35 min | Yes |
| 5 | 6 May 1901, 6:54 am GMT+8 | 7 May 1901, 8:45 am GMT+8 | 25 hr 51 min | Yes |
| 6 | 4 Jun 1901, 8:29 pm GMT+8 | 5 Jun 1901, 9:06 pm GMT+8 | 24 hr 37 min | Yes |
| 7 | 4 Jul 1901, 7:09 am GMT+8 | 5 Jul 1901, 6:24 am GMT+8 | 23 hr 16 min | Yes |
| 8 | 2 Aug 1901, 3:39 pm GMT+8 | 3 Aug 1901, 1:44 pm GMT+8 | 22 hr 5 min | Yes |
| 9 | 31 Aug 1901, 11:11 pm GMT+8 | 1 Sept 1901, 8:24 pm GMT+8 | 21 hr 13 min | Yes |
| 10 | 30 Sept 1901, 6:55 am GMT+8 | 1 Oct 1901, 3:37 am GMT+8 | 20 hr 42 min | Yes |
| 11 | 29 Oct 1901, 3:44 pm GMT+8 | 30 Oct 1901, 12:19 pm GMT+8 | 20 hr 36 min | Yes |
| 12 | 28 Nov 1901, 2:08 am GMT+8 | 28 Nov 1901, 11:04 pm GMT+8 | 20 hr 56 min | No |
| 13 | 27 Dec 1901, 2:20 pm GMT+8 | 28 Dec 1901, 12:08 pm GMT+8 | 21 hr 48 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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