What time is it in Upper Alton right now?

The clock at the top of this page shows the current local time in Upper Alton, United States, updated every second from your device's clock and the IANA time zone rules for America/Chicago. Upper Alton is 5 hours behind UTC right now.

What time zone is Upper Alton in?

Upper Alton uses CDT (Central Time). Its IANA time zone identifier is America/Chicago, and the current UTC offset is UTC−5.

Does Upper Alton observe daylight saving time?

Yes. Clocks last changed on Sun, Mar 8, 2026. The next change is on Sun, Nov 1, 2026, when clocks go back 1 hour.

How do I schedule a meeting with someone in Upper Alton?

Open the time zone converter for Upper Alton to see what a given time there is for you, or use the meeting planner to find the hours when both of you are at work. A Cal.com booking link does the conversion for your guests automatically: they see your availability in their own time zone and pick a slot that works.

Current local time in Upper Alton, Illinois, United States

Upper Alton is on CDT (Central Time), UTC−5. Clocks go back 1 hour on Sun, Nov 1, 2026.

Upper Alton, United States

5:35 AM:23CDT

Tuesday, October 27, 2026

UTC−5

Country: United States
Region: Illinois
Lat/Long: 38°55'N / 90°09'W
Elevation: 166 m
Population: 29,251
Currency: Dollar (USD)
Languages: English, Spanish, Hawaiian, French
Dialling code: +1

Time zone in Upper Alton

Time zone
CDT
Central Time
UTC offset
UTC−5
5 hours behind UTC
DST started
Sun, Mar 8, 2026
Clocks went forward 1 hour
DST ends
Sun, Nov 1, 2026
Clocks go back 1 hour at 2:00 AM

Upper Alton keeps the time of the IANA zone America/Chicago, one of 14 time zones in use in United States. Clocks go back 1 hour on Sun, Nov 1, 2026.

About CDT Time zone converter for Upper Alton Meeting planner for Upper Alton

Sunrise and sunset in Upper Alton today

Sunrise
7:22 AM
Sunset
6:06 PM
Day length
10 hours 44 minutes
Date
Tue, Oct 27, 2026

Times are local to Upper Alton for Tue, Oct 27, 2026, computed for 38°55'N / 90°09'W.

Time difference between Upper Alton and other cities

The current local time in major cities around the world and how far each is ahead of or behind Upper Alton. Differences change when either side moves its clocks.

Current time in world cities compared to Upper Alton
City	Local time	Compared to Upper Alton
New YorkUnited States	Tue 6:35 AM	+1h (ahead)
Los AngelesUnited States	Tue 3:35 AM	−2h (behind)
ChicagoUnited States	Tue 5:35 AM	Same time
TorontoCanada	Tue 6:35 AM	+1h (ahead)
Mexico CityMexico	Tue 4:35 AM	−1h (behind)
São PauloBrazil	Tue 7:35 AM	+2h (ahead)
LondonUnited Kingdom	Tue 10:35 AM	+5h (ahead)
ParisFrance	Tue 11:35 AM	+6h (ahead)
BerlinGermany	Tue 11:35 AM	+6h (ahead)
MadridSpain	Tue 11:35 AM	+6h (ahead)
JohannesburgSouth Africa	Tue 12:35 PM	+7h (ahead)
DubaiUnited Arab Emirates	Tue 2:35 PM	+9h (ahead)
MumbaiIndia	Tue 4:05 PM	+10h 30m (ahead)
SingaporeSingapore	Tue 6:35 PM	+13h (ahead)
ShanghaiChina	Tue 6:35 PM	+13h (ahead)
TokyoJapan	Tue 7:35 PM	+14h (ahead)
SydneyAustralia	Tue 9:35 PM	+16h (ahead)
AucklandNew Zealand	Tue 11:35 PM	+18h (ahead)

Other cities near Upper Alton

All 3,122 cities in United States

Frequently asked questions

Place data from GeoNames (CC BY 4.0). Times follow the IANA time zone database; sunrise and sunset are computed for the city's coordinates.