Tritiya (तृतीया) dates and timings in Perth for 1986
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 | 28 Jan 1986, 8:01 am GMT+8 | 29 Jan 1986, 7:13 am GMT+8 | 23 hr 12 min | Yes |
| 2 | 26 Feb 1986, 7:49 pm GMT+8 | 27 Feb 1986, 5:50 pm GMT+8 | 22 hr 1 min | Yes |
| 3 | 28 Mar 1986, 5:35 am GMT+8 | 29 Mar 1986, 2:41 am GMT+8 | 21 hr 6 min | Yes |
| 4 | 26 Apr 1986, 1:48 pm GMT+8 | 27 Apr 1986, 10:21 am GMT+8 | 20 hr 33 min | Yes |
| 5 | 25 May 1986, 9:07 pm GMT+8 | 26 May 1986, 5:36 pm GMT+8 | 20 hr 29 min | Yes |
| 6 | 24 Jun 1986, 4:27 am GMT+8 | 25 Jun 1986, 1:25 am GMT+8 | 20 hr 58 min | Yes |
| 7 | 23 Jul 1986, 12:55 pm GMT+8 | 24 Jul 1986, 10:53 am GMT+8 | 21 hr 58 min | Yes |
| 8 | 21 Aug 1986, 11:36 pm GMT+8 | 22 Aug 1986, 10:56 pm GMT+8 | 23 hr 20 min | Yes |
| 9 | 20 Sept 1986, 1:15 pm GMT+8 | 21 Sept 1986, 2:02 pm GMT+8 | 24 hr 47 min | Yes |
| 10 | 20 Oct 1986, 5:52 am GMT+8 | 21 Oct 1986, 7:48 am GMT+8 | 25 hr 56 min | Yes |
| 11 | 19 Nov 1986, 12:38 am GMT+8 | 20 Nov 1986, 3:09 am GMT+8 | 26 hr 31 min | Yes |
| 12 | 18 Dec 1986, 8:07 pm GMT+8 | 19 Dec 1986, 10:33 pm GMT+8 | 26 hr 26 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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