Pratipada (प्रतिपदा) dates and timings in Chicago for 2031
Verified astronomical start and end times for lunar day 16 in Chicago, shown in America/Chicago.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 8 Jan 2031, 12:25 pm GMT-6 | 9 Jan 2031, 2:36 pm GMT-6 | 26 hr 11 min | Yes |
| 2 | 7 Feb 2031, 6:46 am GMT-6 | 8 Feb 2031, 7:46 am GMT-6 | 25 hr 0 min | Yes |
| 3 | 8 Mar 2031, 10:29 pm GMT-6 | 9 Mar 2031, 11:05 pm GMT-5 | 23 hr 36 min | Yes |
| 4 | 7 Apr 2031, 12:21 pm GMT-5 | 8 Apr 2031, 10:37 am GMT-5 | 22 hr 16 min | Yes |
| 5 | 6 May 2031, 10:39 pm GMT-5 | 7 May 2031, 7:49 pm GMT-5 | 21 hr 10 min | Yes |
| 6 | 5 Jun 2031, 6:58 am GMT-5 | 6 Jun 2031, 3:23 am GMT-5 | 20 hr 25 min | Yes |
| 7 | 4 Jul 2031, 2:01 pm GMT-5 | 5 Jul 2031, 10:07 am GMT-5 | 20 hr 6 min | Yes |
| 8 | 2 Aug 2031, 8:45 pm GMT-5 | 3 Aug 2031, 5:04 pm GMT-5 | 20 hr 19 min | Yes |
| 9 | 1 Sept 2031, 4:20 am GMT-5 | 2 Sept 2031, 1:27 am GMT-5 | 21 hr 7 min | Yes |
| 10 | 30 Sept 2031, 1:57 pm GMT-5 | 1 Oct 2031, 12:21 pm GMT-5 | 22 hr 24 min | Yes |
| 11 | 30 Oct 2031, 2:32 am GMT-5 | 31 Oct 2031, 2:29 am GMT-5 | 23 hr 57 min | Yes |
| 12 | 28 Nov 2031, 5:18 pm GMT-6 | 29 Nov 2031, 6:39 pm GMT-6 | 25 hr 21 min | Yes |
| 13 | 28 Dec 2031, 11:33 am GMT-6 | 29 Dec 2031, 1:49 pm GMT-6 | 26 hr 16 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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