Tritiya (तृतीया) dates and timings in London for 2027
Verified astronomical start and end times for lunar day 18 in London, shown in Europe/London.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 24 Jan 2027, 5:27 am GMT | 25 Jan 2027, 2:40 am GMT | 21 hr 13 min | Yes |
| 2 | 22 Feb 2027, 6:09 pm GMT | 23 Feb 2027, 4:19 pm GMT | 22 hr 10 min | Yes |
| 3 | 24 Mar 2027, 7:44 am GMT | 25 Mar 2027, 7:08 am GMT | 23 hr 23 min | Yes |
| 4 | 22 Apr 2027, 11:07 pm GMT+1 | 23 Apr 2027, 11:51 pm GMT+1 | 24 hr 44 min | Yes |
| 5 | 22 May 2027, 2:18 pm GMT+1 | 23 May 2027, 4:12 pm GMT+1 | 25 hr 54 min | Yes |
| 6 | 21 Jun 2027, 6:05 am GMT+1 | 22 Jun 2027, 8:37 am GMT+1 | 26 hr 32 min | Yes |
| 7 | 20 Jul 2027, 9:51 pm GMT+1 | 22 Jul 2027, 12:17 am GMT+1 | 26 hr 26 min | Yes |
| 8 | 19 Aug 2027, 12:46 pm GMT+1 | 20 Aug 2027, 2:23 pm GMT+1 | 25 hr 38 min | Yes |
| 9 | 18 Sept 2027, 2:14 am GMT+1 | 19 Sept 2027, 2:39 am GMT+1 | 24 hr 25 min | Yes |
| 10 | 17 Oct 2027, 2:13 pm GMT+1 | 18 Oct 2027, 1:22 pm GMT+1 | 23 hr 8 min | Yes |
| 11 | 16 Nov 2027, 12:12 am GMT | 16 Nov 2027, 10:12 pm GMT | 22 hr 0 min | No |
| 12 | 15 Dec 2027, 10:43 am GMT | 16 Dec 2027, 7:52 am GMT | 21 hr 9 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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