Tritiya (तृतीया) dates and timings in Perth for 1958
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 | 7 Jan 1958, 11:20 pm GMT+8 | 8 Jan 1958, 8:39 pm GMT+8 | 21 hr 18 min | Yes |
| 2 | 6 Feb 1958, 9:23 am GMT+8 | 7 Feb 1958, 6:04 am GMT+8 | 20 hr 41 min | Yes |
| 3 | 7 Mar 1958, 7:00 pm GMT+8 | 8 Mar 1958, 3:35 pm GMT+8 | 20 hr 35 min | Yes |
| 4 | 6 Apr 1958, 4:34 am GMT+8 | 7 Apr 1958, 1:30 am GMT+8 | 20 hr 57 min | Yes |
| 5 | 5 May 1958, 2:22 pm GMT+8 | 6 May 1958, 12:03 pm GMT+8 | 21 hr 41 min | Yes |
| 6 | 4 Jun 1958, 12:46 am GMT+8 | 4 Jun 1958, 11:33 pm GMT+8 | 22 hr 46 min | No |
| 7 | 3 Jul 1958, 12:24 pm GMT+8 | 4 Jul 1958, 12:29 pm GMT+8 | 24 hr 5 min | Yes |
| 8 | 2 Aug 1958, 1:53 am GMT+8 | 3 Aug 1958, 3:18 am GMT+8 | 25 hr 25 min | Yes |
| 9 | 31 Aug 1958, 5:32 pm GMT+8 | 1 Sept 1958, 7:55 pm GMT+8 | 26 hr 23 min | Yes |
| 10 | 30 Sept 1958, 10:52 am GMT+8 | 1 Oct 1958, 1:31 pm GMT+8 | 26 hr 39 min | Yes |
| 11 | 30 Oct 1958, 4:39 am GMT+8 | 31 Oct 1958, 6:46 am GMT+8 | 26 hr 7 min | Yes |
| 12 | 28 Nov 1958, 9:29 pm GMT+8 | 29 Nov 1958, 10:29 pm GMT+8 | 25 hr 0 min | Yes |
| 13 | 28 Dec 1958, 12:25 pm GMT+8 | 29 Dec 1958, 12:05 pm GMT+8 | 23 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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