Time in Alton, United States of America | Alton Now
Thursday, 22 October 2026
Time zone information for Alton
UTC -5
Central Time (CT) , currently 12 hours behind Thành phố Hồ Chí Minh
▪Part of the year: UTC -6 / Central Standard Time (CST)
▪Time in Alton is 13 hours behind Thành phố Hồ Chí Minh when on standard time, and 12 hours behind Thành phố Hồ Chí Minh when on daylight saving time.
▪The IANA time zone identifier for Alton is
America/Chicago.March8Sunday2026
Latest change: Daylight saving time started
- ▪Switched to UTC -5 / Central Daylight Time (CDT).
- ▪The time was set forward one hour from 02:00 to 03:00 local time.
November1Sunday2026
Next change: Standard time begins
- ▪Switch to UTC -6 / Central Standard Time (CST).
- ▪The time will be set backward one hour from 02:00 to 01:00 local time.
Sunrise, sunset, day length and solar time for Alton
- ▪Sunrise: 07:17
- ▪Sunset: 18:12
- ▪Day length: 10h 55m
- ▪Solar noon: 12:45
- ▪Current time in Alton is currently 45 minutes ahead of solar time.
Alton on map
- ▪Location: Illinois, United States of America
- ▪Latitude: 38,89. Longitude: -90,18
- ▪Population: 27,003
- ▪Elevation: 150 m
Time difference
from Alton
Sun cycle
Sunrise 07:17
Solar noon 12:45Sunset 18:12
Time zone & DST
- IANA identifier
America/Chicago- Abbreviation
- CDT
- UTC offset
- UTC-05:00
- Daylight saving
- In effect
- DST Ends
- 1 Nov 2026in 9 days, 19 hours
- Current Unix epoch
- 1792669798
Sun & astronomy
- Sunrise
- 07:17
- Sunset
- 18:12
- Solar noon
- 12:45
- Day length
- 10h 55m
- Night length
- 13h 04m
- Civil twilight
- 06:50 – 18:39
Geography & country
- Country
- United States of America
- Region / State
- Illinois
- Coordinates
- 38.891°, -90.184°
- Elevation
- 150 m
- Population
- 27,003
Nearby places
Compare Alton with other time zones
Find the perfect meeting time or see what time it is across world capitals.