Tritiya (तृतीया) dates and timings in Perth for 2017
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 | 14 Jan 2017, 3:19 pm GMT+8 | 15 Jan 2017, 2:09 pm GMT+8 | 22 hr 50 min | Yes |
| 2 | 13 Feb 2017, 7:11 am GMT+8 | 14 Feb 2017, 7:27 am GMT+8 | 24 hr 15 min | Yes |
| 3 | 15 Mar 2017, 12:19 am GMT+8 | 16 Mar 2017, 1:47 am GMT+8 | 25 hr 27 min | Yes |
| 4 | 13 Apr 2017, 5:40 pm GMT+8 | 14 Apr 2017, 7:53 pm GMT+8 | 26 hr 13 min | Yes |
| 5 | 13 May 2017, 10:21 am GMT+8 | 14 May 2017, 12:47 pm GMT+8 | 26 hr 26 min | Yes |
| 6 | 12 Jun 2017, 1:45 am GMT+8 | 13 Jun 2017, 3:48 am GMT+8 | 26 hr 3 min | Yes |
| 7 | 11 Jul 2017, 3:26 pm GMT+8 | 12 Jul 2017, 4:34 pm GMT+8 | 25 hr 8 min | Yes |
| 8 | 10 Aug 2017, 3:13 am GMT+8 | 11 Aug 2017, 3:03 am GMT+8 | 23 hr 50 min | Yes |
| 9 | 8 Sept 2017, 1:14 pm GMT+8 | 9 Sept 2017, 11:43 am GMT+8 | 22 hr 29 min | Yes |
| 10 | 7 Oct 2017, 10:06 pm GMT+8 | 8 Oct 2017, 7:28 pm GMT+8 | 21 hr 22 min | Yes |
| 11 | 6 Nov 2017, 6:48 am GMT+8 | 7 Nov 2017, 3:29 am GMT+8 | 20 hr 41 min | Yes |
| 12 | 5 Dec 2017, 4:16 pm GMT+8 | 6 Dec 2017, 12:48 pm GMT+8 | 20 hr 32 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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