Current Time in Alton, Illinois, USA
4:54:59 PM
16:54:59
CDT (Central Daylight Time) · UTC−05:00
America/Chicago
Time zone details
Alton is observing daylight saving time in 2026
Daylight in Alton
Location facts
Place
- Country
- USA
- State
- Illinois
- County
- Madison County
- Place type
- Populated place
- Country currency
- US Dollar (USD)
Practical
- Languages
- English, Spanish, Hawaiian, French
- Dialing code
- +1
- Population
- 27,003
- Elevation
- 150 m
Geography
- Geographic coordinates
- 38° 53' N / 90° 11' W
Convert Alton time
Compare Alton with another city or time zone
Popular conversions (current offsets)
All times shown relative to Alton local time
Clock changes in Alton
2:00 AM CDT1:00 AM CST
Clocks move back 1 hour
2026
past
Daylight saving time starts
2:00 AM CST3:00 AM CDT
Clocks move forward 1 hour
upcoming
Daylight saving time ends
2:00 AM CDT1:00 AM CST
Clocks move back 1 hour
Future clock changes, 2027–2030
Sun & Moon details
Sun
- Sunrise
- Solar noon
- Sunset
- Daylight duration
- 12 hr 31 min2 min 29 sec shorter than the previous day
Twilight
- Civil twilight
- –
- Nautical twilight
- –
- Astronomical twilight
- –
View full Sun & Moon detailsHide full Sun & Moon details
Sunday, September 13, 2026
View Alton on SavvyTime's time-zone map
Sun
- Sunrise
- Sunset
- Day length
- 12 hr 31 min2 min 29 sec shorter than the previous day
- Solar noon
- (54.7° altitude)
Civil twilight
- Dawn to dusk
- –
Additional twilight
- Nautical dawn to dusk
- –
- Astronomical dawn to dusk
- –
Moon
- Phase
- Waxing Crescent (8% illuminated)
- Moonrise
- Moonset
- Previous principal phase
- New Moon — Thursday, September 10, 2026 at
- Next principal phase
- First Quarter — Friday, September 18, 2026 at
Seven-day daylight outlook
| Local date | Sunrise | Sunset | Day length | Daily change |
|---|---|---|---|---|
| 12 hr 31 min | 2 min 29 sec shorter than the previous day | |||
| 12 hr 29 min | 2 min 30 sec shorter than the previous day | |||
| 12 hr 26 min | 2 min 29 sec shorter than the previous day | |||
| 12 hr 24 min | 2 min 30 sec shorter than the previous day | |||
| 12 hr 21 min | 2 min 30 sec shorter than the previous day | |||
| 12 hr 19 min | 2 min 31 sec shorter than the previous day | |||
| 12 hr 16 min | 2 min 30 sec shorter than the previous day |
Weather forecast for Alton
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Plan around Alton
Time context
Alton follows the same clock and daylight-saving rules as Chicago
Current time offsetUTC−05:00 (CDT)
View time differencesUpcoming public holidays in Illinois
- Columbus Day
- Election Day
- Veterans Day
Nearby scheduled airports for Alton, Illinois, USA
St. Louis Lambert International AirportSTLLarge airport · Serves St Louis22.5 km southwest
Source: OurAirports record · STL / KSTL
About 22.5 km (14.0 mi) southwest of Alton
Scheduled airline service in source data
Scott AFB/Midamerica AirportBLVMedium airport · Serves Belleville48.9 km southeast
Source: OurAirports record · BLV / KBLV
About 48.9 km (30.4 mi) southeast of Alton
Scheduled airline service in source data
Abraham Lincoln Capital AirportSPIMedium airport · Serves Springfield115 km north-northeast
Source: OurAirports record · SPI / KSPI
About 115 km (71.2 mi) north-northeast of Alton
Scheduled airline service in source data
Nearby places
Frequently asked questions
- What time zone is Alton in?
- Alton currently uses Central Daylight Time (CDT). Its IANA time zone is America/Chicago.
- When is the next clock change in Alton?
- Clocks in Alton move backward 1 hour on Sunday, November 1, 2026 at 2:00 AM, changing from CDT (UTC−05:00) to CST (UTC−06:00)
- Is Alton currently on daylight saving time?
- Alton is observing daylight saving time in 2026
- What is the UTC offset in Alton right now?
- Alton is currently UTC−05:00