Trayodashi (त्रयोदशी) dates and timings in Birmingham for 2021
Verified astronomical start and end times for lunar day 13 in Birmingham, 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 | 25 Jan 2021, 6:55 pm GMT | 26 Jan 2021, 7:41 pm GMT | 24 hr 47 min | Yes |
| 2 | 24 Feb 2021, 12:36 pm GMT | 25 Feb 2021, 11:49 am GMT | 23 hr 13 min | Yes |
| 3 | 26 Mar 2021, 2:51 am GMT | 27 Mar 2021, 12:42 am GMT | 21 hr 50 min | Yes |
| 4 | 24 Apr 2021, 2:47 pm GMT+1 | 25 Apr 2021, 11:43 am GMT+1 | 20 hr 56 min | Yes |
| 5 | 23 May 2021, 11:09 pm GMT+1 | 24 May 2021, 7:41 pm GMT+1 | 20 hr 33 min | Yes |
| 6 | 22 Jun 2021, 5:52 am GMT+1 | 23 Jun 2021, 2:30 am GMT+1 | 20 hr 38 min | Yes |
| 7 | 21 Jul 2021, 11:56 am GMT+1 | 22 Jul 2021, 9:03 am GMT+1 | 21 hr 6 min | Yes |
| 8 | 19 Aug 2021, 6:24 pm GMT+1 | 20 Aug 2021, 4:20 pm GMT+1 | 21 hr 56 min | Yes |
| 9 | 18 Sept 2021, 2:24 am GMT+1 | 19 Sept 2021, 1:30 am GMT+1 | 23 hr 5 min | Yes |
| 10 | 17 Oct 2021, 1:09 pm GMT+1 | 18 Oct 2021, 1:37 pm GMT+1 | 24 hr 28 min | Yes |
| 11 | 16 Nov 2021, 2:32 am GMT | 17 Nov 2021, 4:20 am GMT | 25 hr 48 min | Yes |
| 12 | 15 Dec 2021, 8:32 pm GMT | 16 Dec 2021, 11:11 pm GMT | 26 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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