Union in numbers
- Coordinates
- 37.4459, -89.3816
- Region
- Illinois
- Country
- United States, North America
- Capital
- Washington, D.C. — 1090 km away
- Same name
- 185 more places in the world share this name
What time is it in Union, Illinois, United States
This page shows, minute by minute, the local time in Union, Illinois, United States, in the America/Chicago zone (−5).
Union, United States
Friday, 30 October 2026
UTC−5 · America/Chicago
Local time in Union
UTC−5 · daylight saving time is active
Union keeps America/Chicago clock_time.
The sun today
Sunrise 7:21 AM Solar noon 12:42 PM Sunset 6:03 PM Daylight 10 h 42 min Night 13 h 18 min Civil twilight 6:54 AM – 6:30 PM
Weather in Union right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Union and its neighbours
Postal codes
- 03887
- 04862
- 07083
- 24983
- 29379
- 39365
- 41091
- 49130
- 50258
- 60180
- 63084
- 68455
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 Union
- Union New Jersey, United States
- Union Missouri, United States
- Union South Carolina, United States
- Union Ohio, United States
- Union Kentucky, 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
- Ware — 1.1 km
- Pottsville — 3.4 km
- Hamburg Landing — 5.2 km
- Bainbridge — 6.3 km
- Moccasin Springs — 6.8 km
- Wolf Lake — 8.2 km
Union: clock, sun and surroundings
Today's times for Union: the sun is up at 7:21 AM and down at 6:03 PM. That means 10 h 42 min of daylight.
Neighbouring Ware and Pottsville keep the same hours as Union.
Postal codes valid in Union number 12.
The time zone assigned to Union is America/Chicago, held at UTC−5. Daylight saving time applies: Yes.
Questions and answers
- What time zone is assigned to Union?
- Union is assigned to the America/Chicago time zone, with an offset of −5.
- Does the clock in Union stay the same all year?
- Daylight saving time in Union: Yes.
- When does the sun disappear in Union?
- It disappears at 6:03 PM.