Trayodashi (त्रयोदशी) dates and timings in Bangkok for 2026
Verified astronomical start and end times for lunar day 13 in Bangkok, shown in Asia/Bangkok.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 1 Jan 2026, 3:18 am GMT+7 | 1 Jan 2026, 11:52 pm GMT+7 | 20 hr 34 min | No |
| 2 | 30 Jan 2026, 12:39 pm GMT+7 | 31 Jan 2026, 9:56 am GMT+7 | 21 hr 16 min | Yes |
| 3 | 28 Feb 2026, 10:13 pm GMT+7 | 1 Mar 2026, 8:39 pm GMT+7 | 22 hr 26 min | Yes |
| 4 | 30 Mar 2026, 8:40 am GMT+7 | 31 Mar 2026, 8:26 am GMT+7 | 23 hr 46 min | Yes |
| 5 | 28 Apr 2026, 8:22 pm GMT+7 | 29 Apr 2026, 9:22 pm GMT+7 | 25 hr 0 min | Yes |
| 6 | 28 May 2026, 9:27 am GMT+7 | 29 May 2026, 11:21 am GMT+7 | 25 hr 54 min | Yes |
| 7 | 26 Jun 2026, 11:52 pm GMT+7 | 28 Jun 2026, 2:13 am GMT+7 | 26 hr 21 min | Yes |
| 8 | 26 Jul 2026, 3:28 pm GMT+7 | 27 Jul 2026, 5:45 pm GMT+7 | 26 hr 17 min | Yes |
| 9 | 25 Aug 2026, 7:51 am GMT+7 | 26 Aug 2026, 9:29 am GMT+7 | 25 hr 38 min | Yes |
| 10 | 24 Sept 2026, 12:21 am GMT+7 | 25 Sept 2026, 12:48 am GMT+7 | 24 hr 28 min | Yes |
| 11 | 23 Oct 2026, 4:06 pm GMT+7 | 24 Oct 2026, 3:07 pm GMT+7 | 23 hr 1 min | Yes |
| 12 | 22 Nov 2026, 6:27 am GMT+7 | 23 Nov 2026, 4:07 am GMT+7 | 21 hr 41 min | Yes |
| 13 | 21 Dec 2026, 7:06 pm GMT+7 | 22 Dec 2026, 3:54 pm GMT+7 | 20 hr 47 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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