Tritiya (तृतीया) dates and timings in Perth for 1974
Verified astronomical start and end times for lunar day 18 in Perth, shown in Australia/Perth.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 10 Jan 1974, 1:12 pm GMT+8 | 11 Jan 1974, 9:55 am GMT+8 | 20 hr 43 min | Yes |
| 2 | 9 Feb 1974, 12:48 am GMT+8 | 9 Feb 1974, 10:10 pm GMT+8 | 21 hr 23 min | No |
| 3 | 10 Mar 1974, 1:20 pm GMT+8 | 11 Mar 1974, 11:53 am GMT+8 | 22 hr 33 min | Yes |
| 4 | 9 Apr 1974, 3:02 am GMT+8 | 10 Apr 1974, 3:03 am GMT+8 | 24 hr 1 min | Yes |
| 5 | 8 May 1974, 5:55 pm GMT+8 | 9 May 1974, 7:17 pm GMT+8 | 25 hr 22 min | Yes |
| 6 | 7 Jun 1974, 9:37 am GMT+8 | 8 Jun 1974, 11:51 am GMT+8 | 26 hr 14 min | Yes |
| 7 | 7 Jul 1974, 1:24 am GMT+8 | 8 Jul 1974, 3:51 am GMT+8 | 26 hr 27 min | Yes |
| 8 | 5 Aug 1974, 4:36 pm GMT+8 | 6 Aug 1974, 6:39 pm GMT+8 | 26 hr 3 min | Yes |
| 9 | 4 Sept 1974, 6:48 am GMT+8 | 5 Sept 1974, 8:01 am GMT+8 | 25 hr 12 min | Yes |
| 10 | 3 Oct 1974, 7:56 pm GMT+8 | 4 Oct 1974, 8:01 pm GMT+8 | 24 hr 5 min | Yes |
| 11 | 2 Nov 1974, 9:02 am GMT+9 | 3 Nov 1974, 7:51 am GMT+9 | 22 hr 50 min | Yes |
| 12 | 1 Dec 1974, 8:12 pm GMT+9 | 2 Dec 1974, 5:50 pm GMT+9 | 21 hr 38 min | Yes |
| 13 | 31 Dec 1974, 6:36 am GMT+9 | 1 Jan 1975, 3:21 am GMT+9 | 20 hr 45 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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