Jefferson in numbers
- Coordinates
- 37.1720, -88.6928
- Region
- Illinois
- Country
- United States, North America
- Capital
- Washington, D.C. — 1038 km away
- Same name
- 41 more places in the world share this name
What time is it in Jefferson, Illinois, United States
The time now in Jefferson, Illinois, United States is shown here, following the America/Chicago time zone (−6).
Jefferson, United States
Saturday, 7 November 2026
UTC−6 · America/Chicago
Local time in Jefferson
UTC−6 · no daylight saving time
What the clock shows right now in Jefferson.
The sun today
Sunrise 6:26 AM Solar noon 11:40 AM Sunset 4:53 PM Daylight 10 h 26 min Night 13 h 34 min Civil twilight 5:59 AM – 5:20 PM
Weather in Jefferson right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Jefferson and its neighbours
Postal codes
- 01522
- 03583
- 04348
- 12093
- 15344
- 21755
- 28640
- 29718
- 30549
- 36745
- 44047
- 50129
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 Jefferson
- Jefferson Louisiana, United States
- Jefferson Georgia, United States
- Jefferson Wisconsin, United States
- Jefferson Georgia, United States
- Jefferson Iowa, 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
- Massac City — 3.9 km
- Metropolis — 4.2 km
- Massac County — 5.4 km
- High Point — 6.7 km
- Brookport — 7.7 km
- Cecil — 8.0 km
Time and daylight in Jefferson
Jefferson sets its clocks by America/Chicago, which runs UTC−6. Daylight saving time here: No.
Jefferson gets its sunrise at 6:26 AM and its sunset at 4:53 PM today. Daylight lasts a full 10 h 26 min.
The clock in nearby Massac City and Metropolis follows Jefferson.
Within Jefferson, postal codes number 12.
Questions and answers
- What time zone is used by Jefferson?
- Jefferson uses the America/Chicago time zone, which has an offset of −6.
- Does Jefferson apply a daylight saving adjustment?
- No.
- Which time marks sunset in Jefferson?
- 4:53 PM marks sunset.