Chaturthi (चतुर्थी) dates and timings in Bangkok for 2033
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 | 19 Jan 2033, 1:23 am GMT+7 | 20 Jan 2033, 3:55 am GMT+7 | 26 hr 32 min | Yes |
| 2 | 17 Feb 2033, 9:38 pm GMT+7 | 19 Feb 2033, 12:20 am GMT+7 | 26 hr 41 min | Yes |
| 3 | 19 Mar 2033, 4:08 pm GMT+7 | 20 Mar 2033, 6:10 pm GMT+7 | 26 hr 1 min | Yes |
| 4 | 18 Apr 2033, 7:20 am GMT+7 | 19 Apr 2033, 8:09 am GMT+7 | 24 hr 48 min | Yes |
| 5 | 17 May 2033, 6:49 pm GMT+7 | 18 May 2033, 6:16 pm GMT+7 | 23 hr 28 min | Yes |
| 6 | 16 Jun 2033, 3:12 am GMT+7 | 17 Jun 2033, 1:31 am GMT+7 | 22 hr 19 min | Yes |
| 7 | 15 Jul 2033, 9:47 am GMT+7 | 16 Jul 2033, 7:16 am GMT+7 | 21 hr 29 min | Yes |
| 8 | 13 Aug 2033, 3:54 pm GMT+7 | 14 Aug 2033, 12:54 pm GMT+7 | 21 hr 0 min | Yes |
| 9 | 11 Sept 2033, 10:45 pm GMT+7 | 12 Sept 2033, 7:37 pm GMT+7 | 20 hr 53 min | Yes |
| 10 | 11 Oct 2033, 7:16 am GMT+7 | 12 Oct 2033, 4:25 am GMT+7 | 21 hr 9 min | Yes |
| 11 | 9 Nov 2033, 6:07 pm GMT+7 | 10 Nov 2033, 4:02 pm GMT+7 | 21 hr 55 min | Yes |
| 12 | 9 Dec 2033, 7:47 am GMT+7 | 10 Dec 2033, 6:56 am GMT+7 | 23 hr 9 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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