Waterloo in numbers
- Coordinates
- 38.3359, -90.1498
- Elevation
- 216 m above sea level
- Population
- 10 236
- Region
- Illinois
- Country
- United States, North America
- Capital
- Washington, D.C. — 1140 km away
- Same name
- 97 more places in the world share this name
What time is it in Waterloo, Illinois, United States
This page answers what time it is in Waterloo, Illinois, United States right now, in the America/Chicago zone (−5).
Waterloo, United States
Tuesday, 20 October 2026
UTC−5 · America/Chicago
Local time in Waterloo
UTC−5 · daylight saving time is active
Local time in Waterloo, Illinois.
The sun today
Sunrise 7:15 AM Solar noon 12:46 PM Sunset 6:17 PM Daylight 11 h 02 min Night 12 h 58 min Civil twilight 6:49 AM – 6:44 PM
Weather in Waterloo right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Waterloo and its neighbours
Postal codes
- 13165
- 29384
- 35677
- 45688
- 46793
- 50701
- 50702
- 50703
- 50704
- 53594
- 62298
- 68069
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 Waterloo
- Waterloo Ontario, Canada
- Waterloo Iowa, United States
- Waterloo Western Area, Sierra Leone
- Waterloo Wallonia, Belgium
- Waterloo Wellington Region, New Zealand
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
- Lemens — 6.0 km
- Wartburg — 6.4 km
- Monroe County — 6.8 km
- Foster Pond (historical) — 7.3 km
- Burksville — 7.6 km
- Burksville Station — 8.0 km
Time and daylight in Waterloo
Sunrise reaches Waterloo at 7:15 AM, and the sun sets at 6:17 PM. Light lasts 11 h 02 min.
Waterloo shares its time with neighbouring Lemens and Wartburg.
Waterloo carries 12 postal codes.
Waterloo follows America/Chicago, giving it a UTC−5 offset. Does the zone observe daylight saving? Yes.
Questions and answers
- Is Waterloo in a specific time zone?
- Yes, Waterloo is in the America/Chicago time zone, with an offset of −5.
- Does the local schedule in Waterloo include a clock change?
- Yes.
- What are the sunrise and sunset times in Waterloo?
- Sunrise 7:15 AM, sunset 6:17 PM.