Tritiya (तृतीया) dates and timings in London for 2026
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 | 5 Jan 2026, 4:27 am GMT | 6 Jan 2026, 2:32 am GMT | 22 hr 5 min | Yes |
| 2 | 3 Feb 2026, 7:11 pm GMT | 4 Feb 2026, 6:40 pm GMT | 23 hr 29 min | Yes |
| 3 | 5 Mar 2026, 11:34 am GMT | 6 Mar 2026, 12:23 pm GMT | 24 hr 50 min | Yes |
| 4 | 4 Apr 2026, 5:39 am GMT+1 | 5 Apr 2026, 7:30 am GMT+1 | 25 hr 51 min | Yes |
| 5 | 3 May 2026, 10:32 pm GMT+1 | 5 May 2026, 12:54 am GMT+1 | 26 hr 23 min | Yes |
| 6 | 2 Jun 2026, 2:31 pm GMT+1 | 3 Jun 2026, 4:51 pm GMT+1 | 26 hr 20 min | Yes |
| 7 | 2 Jul 2026, 5:08 am GMT+1 | 3 Jul 2026, 6:50 am GMT+1 | 25 hr 42 min | Yes |
| 8 | 31 Jul 2026, 6:02 pm GMT+1 | 1 Aug 2026, 6:37 pm GMT+1 | 24 hr 36 min | Yes |
| 9 | 30 Aug 2026, 5:07 am GMT+1 | 31 Aug 2026, 4:21 am GMT+1 | 23 hr 14 min | Yes |
| 10 | 28 Sept 2026, 2:44 pm GMT+1 | 29 Sept 2026, 12:40 pm GMT+1 | 21 hr 57 min | Yes |
| 11 | 27 Oct 2026, 10:37 pm GMT | 28 Oct 2026, 7:37 pm GMT | 21 hr 0 min | Yes |
| 12 | 26 Nov 2026, 7:45 am GMT | 27 Nov 2026, 4:19 am GMT | 20 hr 33 min | Yes |
| 13 | 25 Dec 2026, 5:56 pm GMT | 26 Dec 2026, 2:35 pm GMT | 20 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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