Tritiya (तृतीया) dates and timings in Perth for 2100
Verified astronomical start and end times for lunar day 3 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 | 12 Jan 2100, 9:04 pm GMT+8 | 13 Jan 2100, 10:06 pm GMT+8 | 25 hr 2 min | Yes |
| 2 | 11 Feb 2100, 4:00 pm GMT+8 | 12 Feb 2100, 6:13 pm GMT+8 | 26 hr 13 min | Yes |
| 3 | 13 Mar 2100, 11:23 am GMT+8 | 14 Mar 2100, 2:01 pm GMT+8 | 26 hr 38 min | Yes |
| 4 | 12 Apr 2100, 5:21 am GMT+8 | 13 Apr 2100, 7:38 am GMT+8 | 26 hr 17 min | Yes |
| 5 | 11 May 2100, 8:43 pm GMT+8 | 12 May 2100, 10:06 pm GMT+8 | 25 hr 23 min | Yes |
| 6 | 10 Jun 2100, 9:13 am GMT+8 | 11 Jun 2100, 9:28 am GMT+8 | 24 hr 15 min | Yes |
| 7 | 9 Jul 2100, 7:19 pm GMT+8 | 10 Jul 2100, 6:22 pm GMT+8 | 23 hr 3 min | Yes |
| 8 | 8 Aug 2100, 3:44 am GMT+8 | 9 Aug 2100, 1:39 am GMT+8 | 21 hr 55 min | Yes |
| 9 | 6 Sept 2100, 11:19 am GMT+8 | 7 Sept 2100, 8:19 am GMT+8 | 21 hr 0 min | Yes |
| 10 | 5 Oct 2100, 6:56 pm GMT+8 | 6 Oct 2100, 3:25 pm GMT+8 | 20 hr 29 min | Yes |
| 11 | 4 Nov 2100, 3:33 am GMT+8 | 5 Nov 2100, 12:04 am GMT+8 | 20 hr 31 min | Yes |
| 12 | 3 Dec 2100, 2:01 pm GMT+8 | 4 Dec 2100, 11:12 am GMT+8 | 21 hr 11 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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