Tritiya (तृतीया) dates and timings in Sydney for 1973
Verified astronomical start and end times for lunar day 18 in Sydney, shown in Australia/Sydney.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 21 Jan 1973, 3:54 am GMT+11 | 22 Jan 1973, 2:27 am GMT+11 | 22 hr 33 min | Yes |
| 2 | 19 Feb 1973, 7:02 pm GMT+11 | 20 Feb 1973, 6:53 pm GMT+11 | 23 hr 51 min | Yes |
| 3 | 21 Mar 1973, 10:13 am GMT+10 | 22 Mar 1973, 11:23 am GMT+10 | 25 hr 11 min | Yes |
| 4 | 20 Apr 1973, 3:00 am GMT+10 | 21 Apr 1973, 5:13 am GMT+10 | 26 hr 12 min | Yes |
| 5 | 19 May 1973, 7:46 pm GMT+10 | 20 May 1973, 10:21 pm GMT+10 | 26 hr 36 min | Yes |
| 6 | 18 Jun 1973, 11:33 am GMT+10 | 19 Jun 1973, 1:46 pm GMT+10 | 26 hr 13 min | Yes |
| 7 | 18 Jul 1973, 1:33 am GMT+10 | 19 Jul 1973, 2:46 am GMT+10 | 25 hr 13 min | Yes |
| 8 | 16 Aug 1973, 1:29 pm GMT+10 | 17 Aug 1973, 1:24 pm GMT+10 | 23 hr 55 min | Yes |
| 9 | 14 Sept 1973, 11:42 pm GMT+10 | 15 Sept 1973, 10:23 pm GMT+10 | 22 hr 40 min | Yes |
| 10 | 14 Oct 1973, 9:04 am GMT+10 | 15 Oct 1973, 6:42 am GMT+10 | 21 hr 39 min | Yes |
| 11 | 12 Nov 1973, 7:26 pm GMT+11 | 13 Nov 1973, 4:22 pm GMT+11 | 20 hr 56 min | Yes |
| 12 | 12 Dec 1973, 5:25 am GMT+11 | 13 Dec 1973, 2:01 am GMT+11 | 20 hr 36 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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