Chaturdashi (चतुर्दशी) dates and timings in Chicago for 2026
Verified astronomical start and end times for lunar day 29 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 | 16 Jan 2026, 10:52 am GMT-6 | 17 Jan 2026, 12:34 pm GMT-6 | 25 hr 42 min | Yes |
| 2 | 15 Feb 2026, 5:35 am GMT-6 | 16 Feb 2026, 6:04 am GMT-6 | 24 hr 29 min | Yes |
| 3 | 16 Mar 2026, 10:53 pm GMT-5 | 17 Mar 2026, 9:55 pm GMT-5 | 23 hr 2 min | Yes |
| 4 | 15 Apr 2026, 12:01 pm GMT-5 | 16 Apr 2026, 9:41 am GMT-5 | 21 hr 40 min | Yes |
| 5 | 14 May 2026, 10:01 pm GMT-5 | 15 May 2026, 6:41 pm GMT-5 | 20 hr 40 min | Yes |
| 6 | 13 Jun 2026, 5:38 am GMT-5 | 14 Jun 2026, 1:50 am GMT-5 | 20 hr 12 min | Yes |
| 7 | 12 Jul 2026, 12:00 pm GMT-5 | 13 Jul 2026, 8:20 am GMT-5 | 20 hr 20 min | Yes |
| 8 | 10 Aug 2026, 6:24 pm GMT-5 | 11 Aug 2026, 3:23 pm GMT-5 | 20 hr 59 min | Yes |
| 9 | 9 Sept 2026, 2:01 am GMT-5 | 10 Sept 2026, 12:03 am GMT-5 | 22 hr 3 min | Yes |
| 10 | 8 Oct 2026, 11:46 am GMT-5 | 9 Oct 2026, 11:06 am GMT-5 | 23 hr 20 min | Yes |
| 11 | 6 Nov 2026, 11:18 pm GMT-6 | 7 Nov 2026, 11:58 pm GMT-6 | 24 hr 40 min | Yes |
| 12 | 6 Dec 2026, 2:52 pm GMT-6 | 7 Dec 2026, 4:43 pm GMT-6 | 25 hr 50 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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