Denison in numbers
- Coordinates
- 42.0178, -95.3553
- Elevation
- 391 m above sea level
- Population
- 8 334
- Region
- Iowa
- Country
- United States, North America
- Capital
- Washington, D.C. — 1585 km away
- Same name
- 6 more places in the world share this name
What time is it in Denison, Iowa, United States
See the local time in Denison, Iowa, United States right now, measured in the America/Chicago time zone (−6).
Denison, United States
Friday, 13 November 2026
UTC−6 · America/Chicago
Local time in Denison
UTC−6 · no daylight saving time
Denison keeps America/Chicago clock_time.
The sun today
Sunrise 7:10 AM Solar noon 12:07 PM Sunset 5:04 PM Daylight 9 h 54 min Night 14 h 06 min Civil twilight 6:40 AM – 5:34 PM
Weather in Denison right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Denison and its neighbours
Postal codes
- 51442
- 66419
- 75020
- 75021
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 Iowa
- Des Moines 214 133
- Cedar Rapids 130 405
- Davenport 102 582
- Sioux City 82 821
- Iowa City 74 220
- Waterloo 68 460
Other places named Denison
- Denison Texas, United States
- Denison Victoria, Australia
- Denison Kansas, United States
- Denison Pennsylvania, United States
- Denison Washington, 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
- Country View Mobile Home Park — 2.2 km
- Sunset Village — 2.4 km
- Crawford County — 3.1 km
- Kimze — 3.9 km
- Deloit — 9.3 km
- Buck Grove — 11.6 km
Time and daylight in Denison
Denison includes 4 postal codes.
Denison marks time with America/Chicago at an offset of UTC−6. Does the area change clocks seasonally? No.
At Denison the sun clears the horizon at 7:10 AM and sinks again at 5:04 PM. The gap between them is 9 h 54 min.
Denison and its neighbours Country View Mobile Home Park and Sunset Village keep one clock.
Questions and answers
- Can Denison's time zone be given as America/Chicago?
- Yes, Denison's time zone is America/Chicago, with an offset of −6.
- Do clocks change in Denison during the year?
- Daylight saving in Denison: No.
- Tell me the sunset hour in Denison.
- The sunset hour is 5:04 PM.