Chaturthi (चतुर्थी) dates and timings in Bangkok for 2018
Verified astronomical start and end times for lunar day 19 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 | 4 Jan 2018, 11:02 pm GMT+7 | 5 Jan 2018, 8:30 pm GMT+7 | 21 hr 28 min | Yes |
| 2 | 3 Feb 2018, 12:06 pm GMT+7 | 4 Feb 2018, 10:28 am GMT+7 | 22 hr 22 min | Yes |
| 3 | 5 Mar 2018, 2:37 am GMT+7 | 6 Mar 2018, 2:09 am GMT+7 | 23 hr 32 min | Yes |
| 4 | 3 Apr 2018, 6:13 pm GMT+7 | 4 Apr 2018, 7:02 pm GMT+7 | 24 hr 49 min | Yes |
| 5 | 3 May 2018, 10:35 am GMT+7 | 4 May 2018, 12:31 pm GMT+7 | 25 hr 56 min | Yes |
| 6 | 2 Jun 2018, 3:14 am GMT+7 | 3 Jun 2018, 5:47 am GMT+7 | 26 hr 33 min | Yes |
| 7 | 1 Jul 2018, 7:24 pm GMT+7 | 2 Jul 2018, 9:50 pm GMT+7 | 26 hr 26 min | Yes |
| 8 | 31 Jul 2018, 10:13 am GMT+7 | 1 Aug 2018, 11:53 am GMT+7 | 25 hr 40 min | Yes |
| 9 | 29 Aug 2018, 11:08 pm GMT+7 | 30 Aug 2018, 11:39 pm GMT+7 | 24 hr 31 min | Yes |
| 10 | 28 Sept 2018, 10:14 am GMT+7 | 29 Sept 2018, 9:34 am GMT+7 | 23 hr 19 min | Yes |
| 11 | 27 Oct 2018, 8:08 pm GMT+7 | 28 Oct 2018, 6:24 pm GMT+7 | 22 hr 17 min | Yes |
| 12 | 26 Nov 2018, 5:36 am GMT+7 | 27 Nov 2018, 3:05 am GMT+7 | 21 hr 29 min | Yes |
| 13 | 25 Dec 2018, 3:17 pm GMT+7 | 26 Dec 2018, 12:16 pm GMT+7 | 20 hr 59 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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