Tritiya (तृतीया) dates and timings in Perth for 1930
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 | 16 Jan 1930, 10:36 pm GMT+8 | 17 Jan 1930, 7:11 pm GMT+8 | 20 hr 34 min | Yes |
| 2 | 15 Feb 1930, 9:47 am GMT+8 | 16 Feb 1930, 7:06 am GMT+8 | 21 hr 19 min | Yes |
| 3 | 16 Mar 1930, 10:08 pm GMT+8 | 17 Mar 1930, 8:38 pm GMT+8 | 22 hr 30 min | Yes |
| 4 | 15 Apr 1930, 11:37 am GMT+8 | 16 Apr 1930, 11:27 am GMT+8 | 23 hr 50 min | Yes |
| 5 | 15 May 1930, 1:59 am GMT+8 | 16 May 1930, 3:02 am GMT+8 | 25 hr 3 min | Yes |
| 6 | 13 Jun 1930, 4:58 pm GMT+8 | 14 Jun 1930, 6:55 pm GMT+8 | 25 hr 57 min | Yes |
| 7 | 13 Jul 1930, 8:20 am GMT+8 | 14 Jul 1930, 10:44 am GMT+8 | 26 hr 24 min | Yes |
| 8 | 11 Aug 1930, 11:46 pm GMT+8 | 13 Aug 1930, 2:04 am GMT+8 | 26 hr 18 min | Yes |
| 9 | 10 Sept 1930, 2:50 pm GMT+8 | 11 Sept 1930, 4:24 pm GMT+8 | 25 hr 34 min | Yes |
| 10 | 10 Oct 1930, 4:55 am GMT+8 | 11 Oct 1930, 5:15 am GMT+8 | 24 hr 20 min | Yes |
| 11 | 8 Nov 1930, 5:34 pm GMT+8 | 9 Nov 1930, 4:28 pm GMT+8 | 22 hr 55 min | Yes |
| 12 | 8 Dec 1930, 4:47 am GMT+8 | 9 Dec 1930, 2:26 am GMT+8 | 21 hr 39 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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