Chaturthi (चतुर्थी) dates and timings in Chicago for 2026
Verified astronomical start and end times for lunar day 19 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 | 5 Jan 2026, 8:32 pm GMT-6 | 6 Jan 2026, 7:23 pm GMT-6 | 22 hr 51 min | Yes |
| 2 | 4 Feb 2026, 12:40 pm GMT-6 | 5 Feb 2026, 12:52 pm GMT-6 | 24 hr 13 min | Yes |
| 3 | 6 Mar 2026, 6:23 am GMT-6 | 7 Mar 2026, 7:47 am GMT-6 | 25 hr 24 min | Yes |
| 4 | 5 Apr 2026, 1:30 am GMT-5 | 6 Apr 2026, 3:41 am GMT-5 | 26 hr 11 min | Yes |
| 5 | 4 May 2026, 6:54 pm GMT-5 | 5 May 2026, 9:21 pm GMT-5 | 26 hr 27 min | Yes |
| 6 | 3 Jun 2026, 10:51 am GMT-5 | 4 Jun 2026, 1:00 pm GMT-5 | 26 hr 9 min | Yes |
| 7 | 3 Jul 2026, 12:50 am GMT-5 | 4 Jul 2026, 2:10 am GMT-5 | 25 hr 20 min | Yes |
| 8 | 1 Aug 2026, 12:37 pm GMT-5 | 2 Aug 2026, 12:45 pm GMT-5 | 24 hr 8 min | Yes |
| 9 | 30 Aug 2026, 10:21 pm GMT-5 | 31 Aug 2026, 9:12 pm GMT-5 | 22 hr 51 min | Yes |
| 10 | 29 Sept 2026, 6:40 am GMT-5 | 30 Sept 2026, 4:25 am GMT-5 | 21 hr 45 min | Yes |
| 11 | 28 Oct 2026, 2:37 pm GMT-5 | 29 Oct 2026, 11:40 am GMT-5 | 21 hr 3 min | Yes |
| 12 | 26 Nov 2026, 10:19 pm GMT-6 | 27 Nov 2026, 7:10 pm GMT-6 | 20 hr 51 min | Yes |
| 13 | 26 Dec 2026, 8:35 am GMT-6 | 27 Dec 2026, 5:43 am GMT-6 | 21 hr 8 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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