Tritiya (तृतीया) dates and timings in Perth for 1933
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 1933, 6:07 am GMT+8 | 15 Jan 1933, 6:18 am GMT+8 | 24 hr 11 min | Yes |
| 2 | 12 Feb 1933, 7:42 pm GMT+8 | 13 Feb 1933, 6:29 pm GMT+8 | 22 hr 47 min | Yes |
| 3 | 14 Mar 1933, 6:36 am GMT+8 | 15 Mar 1933, 4:07 am GMT+8 | 21 hr 31 min | Yes |
| 4 | 12 Apr 1933, 3:13 pm GMT+8 | 13 Apr 1933, 11:53 am GMT+8 | 20 hr 40 min | Yes |
| 5 | 11 May 1933, 10:26 pm GMT+8 | 12 May 1933, 6:49 pm GMT+8 | 20 hr 23 min | Yes |
| 6 | 10 Jun 1933, 5:25 am GMT+8 | 11 Jun 1933, 2:06 am GMT+8 | 20 hr 41 min | Yes |
| 7 | 9 Jul 1933, 1:16 pm GMT+8 | 10 Jul 1933, 10:44 am GMT+8 | 21 hr 27 min | Yes |
| 8 | 7 Aug 1933, 10:55 pm GMT+8 | 8 Aug 1933, 9:29 pm GMT+8 | 22 hr 34 min | Yes |
| 9 | 6 Sept 1933, 10:59 am GMT+8 | 7 Sept 1933, 10:49 am GMT+8 | 23 hr 50 min | Yes |
| 10 | 6 Oct 1933, 1:44 am GMT+8 | 7 Oct 1933, 2:50 am GMT+8 | 25 hr 6 min | Yes |
| 11 | 4 Nov 1933, 7:05 pm GMT+8 | 5 Nov 1933, 9:14 pm GMT+8 | 26 hr 9 min | Yes |
| 12 | 4 Dec 1933, 2:21 pm GMT+8 | 5 Dec 1933, 5:02 pm GMT+8 | 26 hr 40 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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