Monmouth in numbers
- Coordinates
- 40.9114, -90.6474
- Elevation
- 232 m above sea level
- Population
- 9 291
- Region
- Illinois
- Country
- United States, North America
- Capital
- Washington, D.C. — 1181 km away
- Same name
- 9 more places in the world share this name
What time is it in Monmouth, Illinois, United States
The time now in Monmouth, Illinois, United States is shown here, following the America/Chicago time zone (−6).
Monmouth, United States
Sunday, 1 November 2026
UTC−6 · America/Chicago
Local time in Monmouth
UTC−6 · no daylight saving time
Local time in Monmouth, Illinois.
The sun today
Sunrise 6:34 AM Solar noon 11:47 AM Sunset 5:00 PM Daylight 10 h 26 min Night 13 h 34 min Civil twilight 6:06 AM – 5:29 PM
Weather in Monmouth right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Monmouth and its neighbours
Postal codes
- 04259
- 52309
- 61462
- 97361
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 Monmouth
- Monmouth Wales, United Kingdom
- Monmouth Oregon, United States
- Monmouth Maine, United States
- Monmouth California, United States
- Monmouth 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
- Ormonde — 6.9 km
- Warren County — 7.5 km
- Eleanor — 8.9 km
- Gerlaw — 9.2 km
- Phelps — 9.3 km
- Kirkwood — 9.9 km
Monmouth: clock, sun and surroundings
4 postal codes are current for Monmouth.
Clocks in Monmouth follow America/Chicago, an offset of UTC−6 from Coordinated Universal Time. Daylight saving time here: No.
Sunlight reaches Monmouth at 6:34 AM and fades after 5:00 PM today. The span is 10 h 26 min.
In Ormonde and Warren County the clock agrees with Monmouth.
Questions and answers
- What is Monmouth's time zone?
- Monmouth's time zone is America/Chicago, with an offset of −6.
- Does daylight saving time reach Monmouth?
- Daylight saving time in Monmouth: No.
- When does the sun disappear in Monmouth?
- It disappears at 5:00 PM.