Chaturthi (चतुर्थी) dates and timings in Bangkok for 2027
Verified astronomical start and end times for lunar day 4 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 | 11 Jan 2027, 10:58 am GMT+7 | 12 Jan 2027, 12:59 pm GMT+7 | 26 hr 1 min | Yes |
| 2 | 10 Feb 2027, 3:50 am GMT+7 | 11 Feb 2027, 4:35 am GMT+7 | 24 hr 45 min | Yes |
| 3 | 11 Mar 2027, 5:07 pm GMT+7 | 12 Mar 2027, 4:27 pm GMT+7 | 23 hr 20 min | Yes |
| 4 | 10 Apr 2027, 3:02 am GMT+7 | 11 Apr 2027, 1:10 am GMT+7 | 22 hr 8 min | Yes |
| 5 | 9 May 2027, 10:33 am GMT+7 | 10 May 2027, 7:53 am GMT+7 | 21 hr 20 min | Yes |
| 6 | 7 Jun 2027, 4:56 pm GMT+7 | 8 Jun 2027, 1:52 pm GMT+7 | 20 hr 56 min | Yes |
| 7 | 6 Jul 2027, 11:19 pm GMT+7 | 7 Jul 2027, 8:14 pm GMT+7 | 20 hr 56 min | Yes |
| 8 | 5 Aug 2027, 6:39 am GMT+7 | 6 Aug 2027, 3:57 am GMT+7 | 21 hr 19 min | Yes |
| 9 | 3 Sept 2027, 3:49 pm GMT+7 | 4 Sept 2027, 1:56 pm GMT+7 | 22 hr 7 min | Yes |
| 10 | 3 Oct 2027, 3:39 am GMT+7 | 4 Oct 2027, 2:58 am GMT+7 | 23 hr 20 min | Yes |
| 11 | 1 Nov 2027, 6:46 pm GMT+7 | 2 Nov 2027, 7:32 pm GMT+7 | 24 hr 47 min | Yes |
| 12 | 1 Dec 2027, 1:09 pm GMT+7 | 2 Dec 2027, 3:14 pm GMT+7 | 26 hr 4 min | Yes |
| 13 | 31 Dec 2027, 9:42 am GMT+7 | 1 Jan 2028, 12:25 pm GMT+7 | 26 hr 44 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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