Dwadashi (द्वादशी) dates and timings in London for 2021
Verified astronomical start and end times for lunar day 12 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 2021, 5:28 pm GMT | 25 Jan 2021, 6:55 pm GMT | 25 hr 27 min | Yes |
| 2 | 23 Feb 2021, 12:35 pm GMT | 24 Feb 2021, 12:36 pm GMT | 24 hr 0 min | Yes |
| 3 | 25 Mar 2021, 4:17 am GMT | 26 Mar 2021, 2:51 am GMT | 22 hr 34 min | Yes |
| 4 | 23 Apr 2021, 5:18 pm GMT+1 | 24 Apr 2021, 2:47 pm GMT+1 | 21 hr 30 min | Yes |
| 5 | 23 May 2021, 2:13 am GMT+1 | 23 May 2021, 11:09 pm GMT+1 | 20 hr 56 min | No |
| 6 | 21 Jun 2021, 9:01 am GMT+1 | 22 Jun 2021, 5:52 am GMT+1 | 20 hr 50 min | Yes |
| 7 | 20 Jul 2021, 2:47 pm GMT+1 | 21 Jul 2021, 11:56 am GMT+1 | 21 hr 9 min | Yes |
| 8 | 18 Aug 2021, 8:36 pm GMT+1 | 19 Aug 2021, 6:24 pm GMT+1 | 21 hr 48 min | Yes |
| 9 | 17 Sept 2021, 3:38 am GMT+1 | 18 Sept 2021, 2:24 am GMT+1 | 22 hr 47 min | Yes |
| 10 | 16 Oct 2021, 1:08 pm GMT+1 | 17 Oct 2021, 1:09 pm GMT+1 | 24 hr 2 min | Yes |
| 11 | 15 Nov 2021, 1:10 am GMT | 16 Nov 2021, 2:32 am GMT | 25 hr 22 min | Yes |
| 12 | 14 Dec 2021, 6:06 pm GMT | 15 Dec 2021, 8:32 pm GMT | 26 hr 26 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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