United States
Time now in Jefferson County
Monday, 24 August 2026
Sunrise 06:24Sunset 07:44Time zone UTC −5
Time zone
America/Chicago
UTC offset
UTC −5
Daylight saving
In effect now
Population
226,739
Sunrise
06:24
Sunset
07:44
Day length
13h 20m
Coordinates
38.26, -90.54
Time difference from Jefferson County
Hours ahead (right) or behind (left) Jefferson County right now.
Jefferson County on the map
About the time in Jefferson County
Around 226,739 people live in Jefferson County, and all of them keep the same civil time, so the reading above applies to the whole urban area — not just the city centre.
Sunrise today lands at 06:24 and sunset at 07:44 local time, giving 13h 20m of daylight. Those figures come from the city's own coordinates (38.26, -90.54) rather than a country-wide average, so they match what you would actually see from a window in Jefferson County.
If you are coordinating from another country, the shortcut is the working window: a normal Jefferson County day of 09:00–17:00 falls between 14:00–22:00 UTC. Convert your own hours into UTC once and you can tell at a glance whether someone there is likely to be at their desk.
Frequently asked questions about time in Jefferson County
- Does Jefferson County change its clocks for daylight saving?
- Yes, and it is in effect now. Clocks change again on 1 November 2026.
- When do the sun rise and set in Jefferson County today?
- Sunrise is at 06:24 and sunset at 07:44, giving 13h 20m of daylight.
- Which time zone is Jefferson County in?
- Jefferson County uses America/Chicago, currently UTC −5.
- What time is it in Jefferson County right now?
- The live clock above shows the current time in Jefferson County, updating every second from America/Chicago (UTC −5).
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