Dwitiya (द्वितीया) dates and timings in London for 2021
Verified astronomical start and end times for lunar day 17 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 | 31 Dec 2020, 4:00 am GMT | 1 Jan 2021, 4:03 am GMT | 24 hr 3 min | Yes |
| 2 | 29 Jan 2021, 6:12 pm GMT | 30 Jan 2021, 4:43 pm GMT | 22 hr 31 min | Yes |
| 3 | 28 Feb 2021, 5:49 am GMT | 1 Mar 2021, 3:06 am GMT | 21 hr 17 min | Yes |
| 4 | 29 Mar 2021, 4:24 pm GMT+1 | 30 Mar 2021, 12:57 pm GMT+1 | 20 hr 33 min | Yes |
| 5 | 28 Apr 2021, 12:44 am GMT+1 | 28 Apr 2021, 9:04 pm GMT+1 | 20 hr 20 min | No |
| 6 | 27 May 2021, 8:32 am GMT+1 | 28 May 2021, 5:06 am GMT+1 | 20 hr 34 min | Yes |
| 7 | 25 Jun 2021, 4:29 pm GMT+1 | 26 Jun 2021, 1:41 pm GMT+1 | 21 hr 12 min | Yes |
| 8 | 25 Jul 2021, 1:20 am GMT+1 | 25 Jul 2021, 11:34 pm GMT+1 | 22 hr 13 min | No |
| 9 | 23 Aug 2021, 12:01 pm GMT+1 | 24 Aug 2021, 11:35 am GMT+1 | 23 hr 34 min | Yes |
| 10 | 22 Sept 2021, 1:22 am GMT+1 | 23 Sept 2021, 2:24 am GMT+1 | 25 hr 2 min | Yes |
| 11 | 21 Oct 2021, 5:46 pm GMT+1 | 22 Oct 2021, 8:00 pm GMT+1 | 26 hr 14 min | Yes |
| 12 | 20 Nov 2021, 11:35 am GMT | 21 Nov 2021, 2:17 pm GMT | 26 hr 43 min | Yes |
| 13 | 20 Dec 2021, 7:07 am GMT | 21 Dec 2021, 9:24 am GMT | 26 hr 17 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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