Tritiya (तृतीया) dates and timings in Adelaide for 2025
Verified astronomical start and end times for lunar day 18 in Adelaide, shown in Australia/Adelaide.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 16 Jan 2025, 8:23 am GMT+10:30 | 17 Jan 2025, 9:06 am GMT+10:30 | 24 hr 43 min | Yes |
| 2 | 15 Feb 2025, 2:52 am GMT+10:30 | 16 Feb 2025, 4:52 am GMT+10:30 | 26 hr 0 min | Yes |
| 3 | 16 Mar 2025, 9:58 pm GMT+10:30 | 18 Mar 2025, 12:33 am GMT+10:30 | 26 hr 35 min | Yes |
| 4 | 15 Apr 2025, 2:56 pm GMT+9:30 | 16 Apr 2025, 5:17 pm GMT+9:30 | 26 hr 22 min | Yes |
| 5 | 15 May 2025, 6:29 am GMT+9:30 | 16 May 2025, 8:03 am GMT+9:30 | 25 hr 34 min | Yes |
| 6 | 13 Jun 2025, 7:19 pm GMT+9:30 | 14 Jun 2025, 7:47 pm GMT+9:30 | 24 hr 28 min | Yes |
| 7 | 13 Jul 2025, 5:46 am GMT+9:30 | 14 Jul 2025, 5:03 am GMT+9:30 | 23 hr 16 min | Yes |
| 8 | 11 Aug 2025, 2:34 pm GMT+9:30 | 12 Aug 2025, 12:41 pm GMT+9:30 | 22 hr 7 min | Yes |
| 9 | 9 Sept 2025, 10:29 pm GMT+9:30 | 10 Sept 2025, 7:38 pm GMT+9:30 | 21 hr 9 min | Yes |
| 10 | 9 Oct 2025, 7:23 am GMT+10:30 | 10 Oct 2025, 3:54 am GMT+10:30 | 20 hr 32 min | Yes |
| 11 | 7 Nov 2025, 4:05 pm GMT+10:30 | 8 Nov 2025, 12:32 pm GMT+10:30 | 20 hr 27 min | Yes |
| 12 | 7 Dec 2025, 2:26 am GMT+10:30 | 7 Dec 2025, 11:25 pm GMT+10:30 | 20 hr 59 min | No |
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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