Chaturthi (चतुर्थी) dates and timings in Port Louis for 2031
Verified astronomical start and end times for lunar day 19 in Port Louis, shown in Indian/Mauritius.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 12 Jan 2031, 3:55 am GMT+4 | 13 Jan 2031, 4:58 am GMT+4 | 25 hr 3 min | Yes |
| 2 | 10 Feb 2031, 6:31 pm GMT+4 | 11 Feb 2031, 6:20 pm GMT+4 | 23 hr 49 min | Yes |
| 3 | 12 Mar 2031, 6:10 am GMT+4 | 13 Mar 2031, 4:48 am GMT+4 | 22 hr 38 min | Yes |
| 4 | 10 Apr 2031, 3:19 pm GMT+4 | 11 Apr 2031, 12:58 pm GMT+4 | 21 hr 39 min | Yes |
| 5 | 9 May 2031, 10:42 pm GMT+4 | 10 May 2031, 7:41 pm GMT+4 | 20 hr 58 min | Yes |
| 6 | 8 Jun 2031, 5:12 am GMT+4 | 9 Jun 2031, 1:55 am GMT+4 | 20 hr 43 min | Yes |
| 7 | 7 Jul 2031, 11:51 am GMT+4 | 8 Jul 2031, 8:50 am GMT+4 | 20 hr 59 min | Yes |
| 8 | 5 Aug 2031, 7:50 pm GMT+4 | 6 Aug 2031, 5:38 pm GMT+4 | 21 hr 48 min | Yes |
| 9 | 4 Sept 2031, 6:19 am GMT+4 | 5 Sept 2031, 5:20 am GMT+4 | 23 hr 1 min | Yes |
| 10 | 3 Oct 2031, 8:04 pm GMT+4 | 4 Oct 2031, 8:29 pm GMT+4 | 24 hr 26 min | Yes |
| 11 | 2 Nov 2031, 1:07 pm GMT+4 | 3 Nov 2031, 2:46 pm GMT+4 | 25 hr 40 min | Yes |
| 12 | 2 Dec 2031, 8:34 am GMT+4 | 3 Dec 2031, 10:59 am GMT+4 | 26 hr 25 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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