What Time is Sunrise and Sunset in Cook County, IL?
Here are today and tomorrow's sunrise and sunset times in Cook County, Illinois. You'll also find a sunrise and sunset calendar for Cook County at the bottom of the page.
Today Thursday, June 4, 2026
Sunrise
5:18 am
Sunrise today in Cook County was at 5:18 AM CDT ().
Sunset
8:22 pm
Sunset today in Cook County will be at 8:22 PM CDT ().
Tomorrow Friday, June 5, 2026
Sunrise
5:17 am
Sunrise tomorrow in Cook County will be at 5:17 AM CDT ().
Sunset
8:23 pm
Sunset tomorrow in Cook County will be at 8:23 PM CDT ().
Photos Sunrise and Sunset Photos of Cook County
Sunrise and sunset photos of Cook County, IL from Flickr.
Calendar Cook County Sunrise and Sunset Calendar
Sunrise calendar and sunset calendar for Cook County, Illinois. Discover Cook County, IL's detailed solar schedule, including day length, dawn, dusk, and solar noon times. Easily explore any month and year with our interactive calendar.
| Date | Dawn | Sunrise | Solar Noon | Sunset | Dusk | Day Length |
|---|
FAQ Frequently Asked Questions about Cook County
When is the shortest day in Cook County, IL?
The shortest day of the year in Cook County, Illinois (winter solstice) will be on Monday, December 21, 2026. In 2027 the shortest day will be on December 22, 2027.
How long is the shortest day in Cook County, IL?
The shortest day of 2026 in Cook County, Illinois will be 9 hours and 7 minutes of daylight on December 21 (winter solstice).
When is the longest day in Cook County, IL?
The longest day in Cook County, Illinois (summer solstice) will be on Sunday, June 21, 2026. Next year the longest day will be on June 21, 2027.
How long is the longest day in Cook County, IL?
The longest day of 2026 in Cook County, Illinois will have 15 hours and 13 minutes of daylight on June 21 (summer solstice).
How much more daylight does Cook County, IL get in summer vs winter?
Cook County, Illinois gets 6 hours and 6 minutes more daylight on the summer solstice than the winter solstice. The longest day has 15 hours and 13 minutes of daylight while the shortest day has only 9 hours and 7 minutes. The average day length throughout the year is 12 hours and 12 minutes.
When is the earliest sunrise in Cook County, IL?
The earliest sunrise time of 2026 in Cook County, Illinois will be on Monday, June 15, 2026 at 5:16 AM.
When is the latest sunrise in Cook County, IL?
The latest sunrise time of 2026 in Cook County, Illinois will be on Saturday, October 31, 2026 at 7:22 AM.
When is the latest sunset in Cook County, IL?
The latest sunset time in Cook County, Illinois will be on Saturday, June 27, 2026 at 8:31 PM.
When is the earliest sunset in Cook County, IL?
The earliest sunset time in Cook County, Illinois will be on Wednesday, December 9, 2026 at 4:20 PM.
Cities near Cook County: Avondale, Bridgeport, Brighton Park, Chicago, Chicago Loop, Douglas, East Garfield Park, Lincoln Park, Logan Square.
National Parks near Cook County: Chicago Portage National Historic Site.
Use data from this page using our JSON API: https://api.sunrisesunset.io/json?lat=41.8954&lng=-87.64616