Tritiya (तृतीया) dates and timings in Perth for 2013
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 | 29 Jan 2013, 1:57 pm GMT+8 | 30 Jan 2013, 2:01 pm GMT+8 | 24 hr 3 min | Yes |
| 2 | 28 Feb 2013, 2:57 am GMT+8 | 1 Mar 2013, 1:42 am GMT+8 | 22 hr 46 min | Yes |
| 3 | 29 Mar 2013, 1:25 pm GMT+8 | 30 Mar 2013, 11:04 am GMT+8 | 21 hr 39 min | Yes |
| 4 | 27 Apr 2013, 9:54 pm GMT+8 | 28 Apr 2013, 6:45 pm GMT+8 | 20 hr 51 min | Yes |
| 5 | 27 May 2013, 5:05 am GMT+8 | 28 May 2013, 1:33 am GMT+8 | 20 hr 27 min | Yes |
| 6 | 25 Jun 2013, 11:53 am GMT+8 | 26 Jun 2013, 8:27 am GMT+8 | 20 hr 34 min | Yes |
| 7 | 24 Jul 2013, 7:22 pm GMT+8 | 25 Jul 2013, 4:36 pm GMT+8 | 21 hr 14 min | Yes |
| 8 | 23 Aug 2013, 4:43 am GMT+8 | 24 Aug 2013, 3:07 am GMT+8 | 22 hr 24 min | Yes |
| 9 | 21 Sept 2013, 4:55 pm GMT+8 | 22 Sept 2013, 4:45 pm GMT+8 | 23 hr 51 min | Yes |
| 10 | 21 Oct 2013, 8:22 am GMT+8 | 22 Oct 2013, 9:36 am GMT+8 | 25 hr 14 min | Yes |
| 11 | 20 Nov 2013, 2:35 am GMT+8 | 21 Nov 2013, 4:48 am GMT+8 | 26 hr 12 min | Yes |
| 12 | 19 Dec 2013, 10:17 pm GMT+8 | 21 Dec 2013, 12:50 am GMT+8 | 26 hr 34 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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