Tritiya (तृतीया) dates and timings in Perth for 2085
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 | 13 Jan 2085, 12:05 pm GMT+8 | 14 Jan 2085, 2:39 pm GMT+8 | 26 hr 34 min | Yes |
| 2 | 12 Feb 2085, 6:52 am GMT+8 | 13 Feb 2085, 8:38 am GMT+8 | 25 hr 45 min | Yes |
| 3 | 13 Mar 2085, 10:44 pm GMT+8 | 14 Mar 2085, 11:17 pm GMT+8 | 24 hr 33 min | Yes |
| 4 | 12 Apr 2085, 11:20 am GMT+8 | 13 Apr 2085, 10:36 am GMT+8 | 23 hr 16 min | Yes |
| 5 | 11 May 2085, 9:07 pm GMT+8 | 12 May 2085, 7:12 pm GMT+8 | 22 hr 5 min | Yes |
| 6 | 10 Jun 2085, 4:49 am GMT+8 | 11 Jun 2085, 1:58 am GMT+8 | 21 hr 8 min | Yes |
| 7 | 9 Jul 2085, 11:23 am GMT+8 | 10 Jul 2085, 7:55 am GMT+8 | 20 hr 32 min | Yes |
| 8 | 7 Aug 2085, 5:49 pm GMT+8 | 8 Aug 2085, 2:14 pm GMT+8 | 20 hr 25 min | Yes |
| 9 | 6 Sept 2085, 1:17 am GMT+8 | 6 Sept 2085, 10:09 pm GMT+8 | 20 hr 52 min | No |
| 10 | 5 Oct 2085, 10:57 am GMT+8 | 6 Oct 2085, 8:50 am GMT+8 | 21 hr 52 min | Yes |
| 11 | 3 Nov 2085, 11:43 pm GMT+8 | 4 Nov 2085, 10:59 pm GMT+8 | 23 hr 16 min | Yes |
| 12 | 3 Dec 2085, 3:47 pm GMT+8 | 4 Dec 2085, 4:31 pm GMT+8 | 24 hr 44 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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