Mercer County in numbers
- Coordinates
- 41.2053, -90.7414
- Region
- Illinois
- Country
- United States, North America
- Capital
- Washington, D.C. — 1193 km away
- Same name
- 7 more places in the world share this name
What time is it in Mercer County, Illinois, United States
The time now in Mercer County, Illinois, United States is shown here, following the America/Chicago time zone (−5).
Mercer County, United States
Sunday, 25 October 2026
UTC−5 · America/Chicago
Local time in Mercer County
UTC−5 · daylight saving time is active
Local time in Mercer County, Illinois.
The sun today
Sunrise 7:27 AM Solar noon 12:48 PM Sunset 6:09 PM Daylight 10 h 42 min Night 13 h 18 min Civil twilight 6:59 AM – 6:38 PM
Weather in Mercer County right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Mercer County and its neighbours
Postal codes
- 61231 Aledo — 0.5 km away
- 61260 Joy — 9.5 km away
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 Mercer County
- Mercer County Kentucky, United States
- Mercer County Missouri, United States
- Mercer County North Dakota, United States
- Mercer County New Jersey, United States
- Mercer County Ohio, 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
- Aledo — 0.9 km
- Sugar Grove — 3.4 km
- Gingle Corners — 6.4 km
- Millersburg — 7.6 km
- Shale City — 8.6 km
- Sunbeam — 8.7 km
Local time details for Mercer County
Today, Mercer County has first light at 7:27 AM and last light at 6:09 PM. Daylight lasts 10 h 42 min.
Both Aledo and Sugar Grove are near Mercer County and keep its time.
The full list of postal codes for Mercer County runs to 2.
Clocks in Mercer County follow America/Chicago, an offset of UTC−5 from Coordinated Universal Time. Daylight saving time here: Yes.
Questions and answers
- Which time zone should I use for Mercer County?
- Use America/Chicago for Mercer County; its offset is −5.
- Is there a spring or autumn clock change in Mercer County?
- Daylight saving in Mercer County: Yes.
- When does morning light reach Mercer County?
- At 7:27 AM.