Chaturthi (चतुर्थी) dates and timings in Chicago for 2027
Verified astronomical start and end times for lunar day 19 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 | 24 Jan 2027, 8:40 pm GMT-6 | 25 Jan 2027, 6:30 pm GMT-6 | 21 hr 50 min | Yes |
| 2 | 23 Feb 2027, 10:19 am GMT-6 | 24 Feb 2027, 9:10 am GMT-6 | 22 hr 51 min | Yes |
| 3 | 25 Mar 2027, 2:08 am GMT-5 | 26 Mar 2027, 2:13 am GMT-5 | 24 hr 6 min | Yes |
| 4 | 23 Apr 2027, 5:51 pm GMT-5 | 24 Apr 2027, 7:12 pm GMT-5 | 25 hr 21 min | Yes |
| 5 | 23 May 2027, 10:12 am GMT-5 | 24 May 2027, 12:29 pm GMT-5 | 26 hr 17 min | Yes |
| 6 | 22 Jun 2027, 2:37 am GMT-5 | 23 Jun 2027, 5:13 am GMT-5 | 26 hr 35 min | Yes |
| 7 | 21 Jul 2027, 6:17 pm GMT-5 | 22 Jul 2027, 8:26 pm GMT-5 | 26 hr 10 min | Yes |
| 8 | 20 Aug 2027, 8:23 am GMT-5 | 21 Aug 2027, 9:35 am GMT-5 | 25 hr 11 min | Yes |
| 9 | 18 Sept 2027, 8:39 pm GMT-5 | 19 Sept 2027, 8:39 pm GMT-5 | 23 hr 59 min | Yes |
| 10 | 18 Oct 2027, 7:22 am GMT-5 | 19 Oct 2027, 6:12 am GMT-5 | 22 hr 51 min | Yes |
| 11 | 16 Nov 2027, 4:12 pm GMT-6 | 17 Nov 2027, 2:05 pm GMT-6 | 21 hr 54 min | Yes |
| 12 | 16 Dec 2027, 1:52 am GMT-6 | 16 Dec 2027, 11:04 pm GMT-6 | 21 hr 13 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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