Trayodashi (त्रयोदशी) dates and timings in Bangkok for 2026
Verified astronomical start and end times for lunar day 28 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 | 15 Jan 2026, 9:47 pm GMT+7 | 16 Jan 2026, 11:52 pm GMT+7 | 26 hr 5 min | Yes |
| 2 | 14 Feb 2026, 5:32 pm GMT+7 | 15 Feb 2026, 6:35 pm GMT+7 | 25 hr 3 min | Yes |
| 3 | 16 Mar 2026, 11:11 am GMT+7 | 17 Mar 2026, 10:53 am GMT+7 | 23 hr 42 min | Yes |
| 4 | 15 Apr 2026, 1:42 am GMT+7 | 16 Apr 2026, 12:01 am GMT+7 | 22 hr 19 min | Yes |
| 5 | 14 May 2026, 12:51 pm GMT+7 | 15 May 2026, 10:01 am GMT+7 | 21 hr 11 min | Yes |
| 6 | 12 Jun 2026, 9:07 pm GMT+7 | 13 Jun 2026, 5:38 pm GMT+7 | 20 hr 31 min | Yes |
| 7 | 12 Jul 2026, 3:34 am GMT+7 | 13 Jul 2026, 12:00 am GMT+7 | 20 hr 26 min | Yes |
| 8 | 10 Aug 2026, 9:31 am GMT+7 | 11 Aug 2026, 6:24 am GMT+7 | 20 hr 53 min | Yes |
| 9 | 8 Sept 2026, 4:13 pm GMT+7 | 9 Sept 2026, 2:01 pm GMT+7 | 21 hr 48 min | Yes |
| 10 | 8 Oct 2026, 12:47 am GMT+7 | 8 Oct 2026, 11:46 pm GMT+7 | 22 hr 59 min | No |
| 11 | 6 Nov 2026, 12:01 pm GMT+7 | 7 Nov 2026, 12:18 pm GMT+7 | 24 hr 17 min | Yes |
| 12 | 6 Dec 2026, 2:22 am GMT+7 | 7 Dec 2026, 3:52 am GMT+7 | 25 hr 30 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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