Williamstown in numbers
- Coordinates
- 42.9652, -92.3180
- Elevation
- 332 m above sea level
- Region
- Iowa
- Country
- United States, North America
- Capital
- Washington, D.C. — 1359 km away
- Same name
- 25 more places in the world share this name
What time is it in Williamstown, Iowa, United States
The clock on this page follows the local time of Williamstown, Iowa, United States, in the America/Chicago zone (−6).
Williamstown, United States
Monday, 2 November 2026
UTC−6 · America/Chicago
Local time in Williamstown
UTC−6 · no daylight saving time
Local time in Williamstown, Iowa.
The sun today
Sunrise 6:46 AM Solar noon 11:54 AM Sunset 5:02 PM Daylight 10 h 16 min Night 13 h 44 min Civil twilight 6:16 AM – 5:31 PM
Weather in Williamstown right now
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Weather data by Open-Meteo, updated every 30 minutes.
Williamstown and its neighbours
Postal codes
- 01267
- 05679
- 08094
- 13493
- 17098
- 26187
- 41097
- 45897
- 63473
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 Williamstown
- Williamstown New Jersey, United States
- Williamstown Victoria, Australia
- Williamstown Massachusetts, United States
- Williamstown Kentucky, United States
- Williamstown West Virginia, 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
- Dresden — 1.5 km
- Republic — 6.6 km
- Boyd — 7.2 km
- Frederika — 9.3 km
- Fredericksburg — 9.6 km
- New Hampton — 10.4 km
Local time details for Williamstown
The sun rises at 6:46 AM, sets at 5:02 PM, and stays over Williamstown for 10 h 16 min. That is today's daylight.
The hour in Williamstown is the hour in Dresden and Republic as well.
Postal codes assigned across Williamstown total 9.
Williamstown runs on America/Chicago, which sits UTC−6 relative to Coordinated Universal Time. Daylight saving in effect: No.
Questions and answers
- Do you know which time zone Williamstown uses?
- Williamstown uses the America/Chicago time zone, with an offset of −6.
- Does the clock in Williamstown stay the same all year?
- Daylight saving time in Williamstown: No.
- What time is sunset in Williamstown?
- It is 5:02 PM.