Tritiya (तृतीया) dates and timings in Perth for 2027
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 | 24 Jan 2027, 1:27 pm GMT+8 | 25 Jan 2027, 10:40 am GMT+8 | 21 hr 13 min | Yes |
| 2 | 23 Feb 2027, 2:09 am GMT+8 | 24 Feb 2027, 12:19 am GMT+8 | 22 hr 10 min | Yes |
| 3 | 24 Mar 2027, 3:44 pm GMT+8 | 25 Mar 2027, 3:08 pm GMT+8 | 23 hr 23 min | Yes |
| 4 | 23 Apr 2027, 6:07 am GMT+8 | 24 Apr 2027, 6:51 am GMT+8 | 24 hr 44 min | Yes |
| 5 | 22 May 2027, 9:18 pm GMT+8 | 23 May 2027, 11:12 pm GMT+8 | 25 hr 54 min | Yes |
| 6 | 21 Jun 2027, 1:05 pm GMT+8 | 22 Jun 2027, 3:37 pm GMT+8 | 26 hr 32 min | Yes |
| 7 | 21 Jul 2027, 4:51 am GMT+8 | 22 Jul 2027, 7:17 am GMT+8 | 26 hr 26 min | Yes |
| 8 | 19 Aug 2027, 7:46 pm GMT+8 | 20 Aug 2027, 9:23 pm GMT+8 | 25 hr 38 min | Yes |
| 9 | 18 Sept 2027, 9:14 am GMT+8 | 19 Sept 2027, 9:39 am GMT+8 | 24 hr 25 min | Yes |
| 10 | 17 Oct 2027, 9:13 pm GMT+8 | 18 Oct 2027, 8:22 pm GMT+8 | 23 hr 8 min | Yes |
| 11 | 16 Nov 2027, 8:12 am GMT+8 | 17 Nov 2027, 6:12 am GMT+8 | 22 hr 0 min | Yes |
| 12 | 15 Dec 2027, 6:43 pm GMT+8 | 16 Dec 2027, 3:52 pm GMT+8 | 21 hr 9 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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