Local time · Alton
What time is it in Alton, Illinois?
3:49:13AM
- Time zone
- CST
- America/Chicago
- UTC offset
- −6:00
- Standard is −6:00
- Daylight saving
- Not in force
- Starts Sun, Mar 14
- Population
- 24,967
- City proper
Around the world
About this clock
Daylight saving in Alton
Alton is currently on standard time. The next change is Sunday, March 14, 2027, when 2:00 am becomes 3:00 am local time.
Alton sits at 38.90°N, 90.15°W. For sunrise and sunset there — which do depend on exactly where it is, unlike the clock — see sunrise and sunset in Alton.
Clock time against sun time
The clock says the same thing everywhere in Central Standard Time, but the sun does not. Over Alton it is highest at 11:44 am today — 16 minutes before clock noon.
At 90.2°W, Alton 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 Alton today
- Sunrise
- 6:41 am
- Sunset
- 4:48 pm
- Day length
- 10 hours 7 minutes
- Longest day
- 14 hours 54 minutes
Today runs 10 hours 7 minutes in Alton, and the day is getting shorter by 2 minutes a day. Across the year it swings 5 hours 28 minutes, from 14 hours 54 minutes at the June solstice down to 9 hours 26 minutes in December.
At 38.9°N that puts Alton between Kailua at 2 hours 22 minutes and Fairbanks at 18 hours 9 minutes.