Alton in numbers
- Coordinates
- 38.8906, -90.1843
- Population
- 27 003
- Region
- Illinois
- Country
- United States, North America
- Capital
- Washington, D.C. — 1137 km away
- Same name
- 34 more places in the world share this name
What time is it in Alton, Illinois, United States
The time now in Alton, Illinois, United States is shown here, following the America/Chicago time zone (−5).
Alton, United States
Tuesday, 27 October 2026
UTC−5 · America/Chicago
Local time in Alton
UTC−5 · daylight saving time is active
Alton keeps America/Chicago clock_time.
The sun today
Sunrise 7:23 AM Solar noon 12:46 PM Sunset 6:08 PM Daylight 10 h 44 min Night 13 h 16 min Civil twilight 6:56 AM – 6:35 PM
Weather in Alton right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Alton and its neighbours
Postal codes
- 03809
- 14413
- 24520
- 35015
- 51003
- 62002
- 65606
- 67623
- 84710
Postal codes come from the free GeoNames dataset. Where a code is listed with a distance, it belongs to a nearby settlement — GeoNames spells that name differently from ours.
Largest cities in Illinois
Other places named Alton
- Alton England, United Kingdom
- Alton Texas, United States
- Alton Iowa, United States
- Alton Missouri, United States
- Alton Maine, United States
Same time zone — America/Chicago
- Chicago United States
- Houston United States
- San Antonio United States
- Dallas United States
- Fort Worth United States
- Austin United States
Nearby places
- North Alton — 3.7 km
- Upper Alton — 3.7 km
- Milton — 3.8 km
- West Alton — 4.4 km
- Southmoor — 5.2 km
- Belmont Village — 5.7 km
About the time in Alton
Alton operates with 9 postal codes.
Alton runs on America/Chicago, which sits UTC−5 relative to Coordinated Universal Time. Daylight saving in effect: Yes.
Alton has sunrise at 7:23 AM today and sunset at 6:08 PM. Light holds for 10 h 44 min.
Clocks in North Alton and Upper Alton read the same as clocks in Alton.
Questions and answers
- What time zone does local time in Alton follow?
- Local time in Alton follows America/Chicago, with an offset of −5.
- Will the time in Alton move forward or back for daylight saving?
- Daylight saving time in Alton: Yes.
- Do you know the time of sunrise in Alton?
- Yes, it is 7:23 AM.