Purnima (पूर्णिमा) dates and timings in Bangkok for 2021
Verified astronomical start and end times for lunar day 15 in Bangkok, shown in Asia/Bangkok.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 28 Jan 2021, 2:47 am GMT+7 | 29 Jan 2021, 2:16 am GMT+7 | 23 hr 28 min | Yes |
| 2 | 26 Feb 2021, 5:20 pm GMT+7 | 27 Feb 2021, 3:17 pm GMT+7 | 21 hr 57 min | Yes |
| 3 | 28 Mar 2021, 4:57 am GMT+7 | 29 Mar 2021, 1:48 am GMT+7 | 20 hr 51 min | Yes |
| 4 | 26 Apr 2021, 2:14 pm GMT+7 | 27 Apr 2021, 10:31 am GMT+7 | 20 hr 17 min | Yes |
| 5 | 25 May 2021, 10:00 pm GMT+7 | 26 May 2021, 6:13 pm GMT+7 | 20 hr 14 min | Yes |
| 6 | 24 Jun 2021, 5:02 am GMT+7 | 25 Jun 2021, 1:39 am GMT+7 | 20 hr 37 min | Yes |
| 7 | 23 Jul 2021, 12:13 pm GMT+7 | 24 Jul 2021, 9:36 am GMT+7 | 21 hr 23 min | Yes |
| 8 | 21 Aug 2021, 8:30 pm GMT+7 | 22 Aug 2021, 7:01 pm GMT+7 | 22 hr 31 min | Yes |
| 9 | 20 Sept 2021, 6:58 am GMT+7 | 21 Sept 2021, 6:54 am GMT+7 | 23 hr 56 min | Yes |
| 10 | 19 Oct 2021, 8:33 pm GMT+7 | 20 Oct 2021, 9:56 pm GMT+7 | 25 hr 23 min | Yes |
| 11 | 18 Nov 2021, 1:30 pm GMT+7 | 19 Nov 2021, 3:57 pm GMT+7 | 26 hr 27 min | Yes |
| 12 | 18 Dec 2021, 8:54 am GMT+7 | 19 Dec 2021, 11:35 am GMT+7 | 26 hr 41 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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