Chaturthi (चतुर्थी) dates and timings in Chicago for 2029
Verified astronomical start and end times for lunar day 4 in Chicago, shown in America/Chicago.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 17 Jan 2029, 2:44 pm GMT-6 | 18 Jan 2029, 4:47 pm GMT-6 | 26 hr 3 min | Yes |
| 2 | 16 Feb 2029, 10:47 am GMT-6 | 17 Feb 2029, 1:19 pm GMT-6 | 26 hr 32 min | Yes |
| 3 | 18 Mar 2029, 6:44 am GMT-5 | 19 Mar 2029, 9:08 am GMT-5 | 26 hr 24 min | Yes |
| 4 | 16 Apr 2029, 11:19 pm GMT-5 | 18 Apr 2029, 1:01 am GMT-5 | 25 hr 42 min | Yes |
| 5 | 16 May 2029, 12:50 pm GMT-5 | 17 May 2029, 1:25 pm GMT-5 | 24 hr 34 min | Yes |
| 6 | 14 Jun 2029, 11:14 pm GMT-5 | 15 Jun 2029, 10:29 pm GMT-5 | 23 hr 15 min | Yes |
| 7 | 14 Jul 2029, 7:03 am GMT-5 | 15 Jul 2029, 5:06 am GMT-5 | 22 hr 3 min | Yes |
| 8 | 12 Aug 2029, 1:24 pm GMT-5 | 13 Aug 2029, 10:35 am GMT-5 | 21 hr 12 min | Yes |
| 9 | 10 Sept 2029, 7:39 pm GMT-5 | 11 Sept 2029, 4:27 pm GMT-5 | 20 hr 48 min | Yes |
| 10 | 10 Oct 2029, 3:11 am GMT-5 | 11 Oct 2029, 12:06 am GMT-5 | 20 hr 55 min | Yes |
| 11 | 8 Nov 2029, 12:03 pm GMT-6 | 9 Nov 2029, 9:33 am GMT-6 | 21 hr 30 min | Yes |
| 12 | 8 Dec 2029, 12:41 am GMT-6 | 8 Dec 2029, 11:08 pm GMT-6 | 22 hr 27 min | No |
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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