Local time · Rock Island
What time is it in Rock Island, Illinois?
3:50:39AM
- Time zone
- CST
- America/Chicago
- UTC offset
- −6:00
- Standard is −6:00
- Daylight saving
- Not in force
- Starts Sun, Mar 14
- Population
- 36,434
- City proper
Around the world
About this clock
Daylight saving in Rock Island
Rock Island is currently on standard time. The next change is Sunday, March 14, 2027, when 2:00 am becomes 3:00 am local time.
Rock Island sits at 41.47°N, 90.59°W. For sunrise and sunset there — which do depend on exactly where it is, unlike the clock — see sunrise and sunset in Rock Island.
Clock time against sun time
The clock says the same thing everywhere in Central Standard Time, but the sun does not. Over Rock Island it is highest at 11:46 am today — 14 minutes before clock noon.
At 90.6°W, Rock Island sits almost exactly on Central Standard Time’s 90° meridian, so on standard time the clock and the sun agree to within a few minutes.
Daylight in Rock Island today
- Sunrise
- 6:48 am
- Sunset
- 4:44 pm
- Day length
- 9 hours 55 minutes
- Longest day
- 15 hours 11 minutes
Today runs 9 hours 55 minutes in Rock Island, and the day is getting shorter by 2 minutes a day. Across the year it swings 6 hours 1 minute, from 15 hours 11 minutes at the June solstice down to 9 hours 10 minutes in December.
At 41.5°N that puts Rock Island between Kailua at 2 hours 22 minutes and Fairbanks at 18 hours 9 minutes.