Tritiya (तृतीया) dates and timings in Perth for 2001
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 | 11 Jan 2001, 9:02 pm GMT+8 | 12 Jan 2001, 5:36 pm GMT+8 | 20 hr 34 min | Yes |
| 2 | 10 Feb 2001, 7:54 am GMT+8 | 11 Feb 2001, 4:47 am GMT+8 | 20 hr 52 min | Yes |
| 3 | 11 Mar 2001, 7:17 pm GMT+8 | 12 Mar 2001, 5:01 pm GMT+8 | 21 hr 44 min | Yes |
| 4 | 10 Apr 2001, 7:30 am GMT+8 | 11 Apr 2001, 6:32 am GMT+8 | 23 hr 2 min | Yes |
| 5 | 9 May 2001, 8:53 pm GMT+8 | 10 May 2001, 9:22 pm GMT+8 | 24 hr 29 min | Yes |
| 6 | 8 Jun 2001, 11:32 am GMT+8 | 9 Jun 2001, 1:14 pm GMT+8 | 25 hr 42 min | Yes |
| 7 | 8 Jul 2001, 3:03 am GMT+8 | 9 Jul 2001, 5:24 am GMT+8 | 26 hr 22 min | Yes |
| 8 | 6 Aug 2001, 6:46 pm GMT+8 | 7 Aug 2001, 9:09 pm GMT+8 | 26 hr 23 min | Yes |
| 9 | 5 Sept 2001, 10:07 am GMT+8 | 6 Sept 2001, 11:58 am GMT+8 | 25 hr 51 min | Yes |
| 10 | 5 Oct 2001, 12:40 am GMT+8 | 6 Oct 2001, 1:34 am GMT+8 | 24 hr 54 min | Yes |
| 11 | 3 Nov 2001, 2:13 pm GMT+8 | 4 Nov 2001, 1:54 pm GMT+8 | 23 hr 42 min | Yes |
| 12 | 3 Dec 2001, 2:36 am GMT+8 | 4 Dec 2001, 1:00 am GMT+8 | 22 hr 24 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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