Tritiya (तृतीया) dates and timings in London for 2031
Verified astronomical start and end times for lunar day 18 in London, shown in Europe/London.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 10 Jan 2031, 10:27 pm GMT | 11 Jan 2031, 11:55 pm GMT | 25 hr 28 min | Yes |
| 2 | 9 Feb 2031, 2:21 pm GMT | 10 Feb 2031, 2:31 pm GMT | 24 hr 11 min | Yes |
| 3 | 11 Mar 2031, 3:17 am GMT | 12 Mar 2031, 2:10 am GMT | 22 hr 53 min | Yes |
| 4 | 9 Apr 2031, 2:34 pm GMT+1 | 10 Apr 2031, 12:19 pm GMT+1 | 21 hr 45 min | Yes |
| 5 | 8 May 2031, 10:48 pm GMT+1 | 9 May 2031, 7:42 pm GMT+1 | 20 hr 55 min | Yes |
| 6 | 7 Jun 2031, 5:44 am GMT+1 | 8 Jun 2031, 2:12 am GMT+1 | 20 hr 28 min | Yes |
| 7 | 6 Jul 2031, 12:20 pm GMT+1 | 7 Jul 2031, 8:51 am GMT+1 | 20 hr 31 min | Yes |
| 8 | 4 Aug 2031, 7:42 pm GMT+1 | 5 Aug 2031, 4:50 pm GMT+1 | 21 hr 8 min | Yes |
| 9 | 3 Sept 2031, 5:03 am GMT+1 | 4 Sept 2031, 3:19 am GMT+1 | 22 hr 16 min | Yes |
| 10 | 2 Oct 2031, 5:22 pm GMT+1 | 3 Oct 2031, 5:04 pm GMT+1 | 23 hr 42 min | Yes |
| 11 | 1 Nov 2031, 8:00 am GMT | 2 Nov 2031, 9:07 am GMT | 25 hr 7 min | Yes |
| 12 | 1 Dec 2031, 2:26 am GMT | 2 Dec 2031, 4:34 am GMT | 26 hr 8 min | Yes |
| 13 | 30 Dec 2031, 10:16 pm GMT | 1 Jan 2032, 12:49 am GMT | 26 hr 33 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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