Chaturthi (चतुर्थी) dates and timings in Bangkok for 2025
Verified astronomical start and end times for lunar day 19 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 | 17 Jan 2025, 5:36 am GMT+7 | 18 Jan 2025, 7:00 am GMT+7 | 25 hr 24 min | Yes |
| 2 | 16 Feb 2025, 1:22 am GMT+7 | 17 Feb 2025, 3:46 am GMT+7 | 26 hr 24 min | Yes |
| 3 | 17 Mar 2025, 9:03 pm GMT+7 | 18 Mar 2025, 11:39 pm GMT+7 | 26 hr 36 min | Yes |
| 4 | 16 Apr 2025, 2:47 pm GMT+7 | 17 Apr 2025, 4:53 pm GMT+7 | 26 hr 6 min | Yes |
| 5 | 16 May 2025, 5:33 am GMT+7 | 17 May 2025, 6:44 am GMT+7 | 25 hr 11 min | Yes |
| 6 | 14 Jun 2025, 5:17 pm GMT+7 | 15 Jun 2025, 5:21 pm GMT+7 | 24 hr 5 min | Yes |
| 7 | 14 Jul 2025, 2:33 am GMT+7 | 15 Jul 2025, 1:30 am GMT+7 | 22 hr 57 min | Yes |
| 8 | 12 Aug 2025, 10:11 am GMT+7 | 13 Aug 2025, 8:06 am GMT+7 | 21 hr 55 min | Yes |
| 9 | 10 Sept 2025, 5:08 pm GMT+7 | 11 Sept 2025, 2:16 pm GMT+7 | 21 hr 8 min | Yes |
| 10 | 10 Oct 2025, 12:24 am GMT+7 | 10 Oct 2025, 9:09 pm GMT+7 | 20 hr 44 min | No |
| 11 | 8 Nov 2025, 9:02 am GMT+7 | 9 Nov 2025, 5:56 am GMT+7 | 20 hr 53 min | Yes |
| 12 | 7 Dec 2025, 7:55 pm GMT+7 | 8 Dec 2025, 5:33 pm GMT+7 | 21 hr 38 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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