Tritiya (तृतीया) dates and timings in Perth for 2033
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 | 18 Jan 2033, 12:11 am GMT+8 | 19 Jan 2033, 2:23 am GMT+8 | 26 hr 11 min | Yes |
| 2 | 16 Feb 2033, 7:57 pm GMT+8 | 17 Feb 2033, 10:38 pm GMT+8 | 26 hr 42 min | Yes |
| 3 | 18 Mar 2033, 2:47 pm GMT+8 | 19 Mar 2033, 5:08 pm GMT+8 | 26 hr 21 min | Yes |
| 4 | 17 Apr 2033, 7:03 am GMT+8 | 18 Apr 2033, 8:20 am GMT+8 | 25 hr 17 min | Yes |
| 5 | 16 May 2033, 7:55 pm GMT+8 | 17 May 2033, 7:49 pm GMT+8 | 23 hr 54 min | Yes |
| 6 | 15 Jun 2033, 5:38 am GMT+8 | 16 Jun 2033, 4:12 am GMT+8 | 22 hr 35 min | Yes |
| 7 | 14 Jul 2033, 1:14 pm GMT+8 | 15 Jul 2033, 10:47 am GMT+8 | 21 hr 33 min | Yes |
| 8 | 12 Aug 2033, 8:01 pm GMT+8 | 13 Aug 2033, 4:54 pm GMT+8 | 20 hr 52 min | Yes |
| 9 | 11 Sept 2033, 3:10 am GMT+8 | 11 Sept 2033, 11:45 pm GMT+8 | 20 hr 35 min | No |
| 10 | 10 Oct 2033, 11:34 am GMT+8 | 11 Oct 2033, 8:16 am GMT+8 | 20 hr 42 min | Yes |
| 11 | 8 Nov 2033, 9:50 pm GMT+8 | 9 Nov 2033, 7:07 pm GMT+8 | 21 hr 17 min | Yes |
| 12 | 8 Dec 2033, 10:24 am GMT+8 | 9 Dec 2033, 8:47 am GMT+8 | 22 hr 23 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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