Trayodashi (त्रयोदशी) dates and timings in Bangkok for 2027
Verified astronomical start and end times for lunar day 13 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 | 20 Jan 2027, 6:11 am GMT+7 | 21 Jan 2027, 2:42 am GMT+7 | 20 hr 30 min | Yes |
| 2 | 18 Feb 2027, 3:58 pm GMT+7 | 19 Feb 2027, 12:44 pm GMT+7 | 20 hr 47 min | Yes |
| 3 | 20 Mar 2027, 12:47 am GMT+7 | 20 Mar 2027, 10:15 pm GMT+7 | 21 hr 28 min | No |
| 4 | 18 Apr 2027, 9:12 am GMT+7 | 19 Apr 2027, 7:38 am GMT+7 | 22 hr 26 min | Yes |
| 5 | 17 May 2027, 5:58 pm GMT+7 | 18 May 2027, 5:34 pm GMT+7 | 23 hr 36 min | Yes |
| 6 | 16 Jun 2027, 4:01 am GMT+7 | 17 Jun 2027, 4:50 am GMT+7 | 24 hr 49 min | Yes |
| 7 | 15 Jul 2027, 4:11 pm GMT+7 | 16 Jul 2027, 6:05 pm GMT+7 | 25 hr 54 min | Yes |
| 8 | 14 Aug 2027, 6:51 am GMT+7 | 15 Aug 2027, 9:24 am GMT+7 | 26 hr 33 min | Yes |
| 9 | 12 Sept 2027, 11:43 pm GMT+7 | 14 Sept 2027, 2:10 am GMT+7 | 26 hr 27 min | Yes |
| 10 | 12 Oct 2027, 5:44 pm GMT+7 | 13 Oct 2027, 7:18 pm GMT+7 | 25 hr 35 min | Yes |
| 11 | 11 Nov 2027, 11:37 am GMT+7 | 12 Nov 2027, 11:51 am GMT+7 | 24 hr 14 min | Yes |
| 12 | 11 Dec 2027, 4:23 am GMT+7 | 12 Dec 2027, 3:13 am GMT+7 | 22 hr 50 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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