Union in numbers
- Coordinates
- 36.0737, -95.8647
- Elevation
- 221 m above sea level
- Region
- Oklahoma
- Country
- United States, North America
- Capital
- Washington, D.C. — 1687 km away
- Same name
- 185 more places in the world share this name
Local time right now in Union, Oklahoma, United States appears above, in the America/Chicago time zone (−6).
Union, United States
Saturday, 14 November 2026
UTC−6 · America/Chicago
Local time in Union
UTC−6 · no daylight saving time
Local time in Union, Oklahoma.
Sunrise 7:00 AM Solar noon 12:09 PM Sunset 5:18 PM Daylight 10 h 18 min Night 13 h 42 min Civil twilight 6:33 AM – 5:45 PM
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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.
The full list of postal codes for Union runs to 12.
Union keeps time under America/Chicago. That places it at UTC−6, with daylight saving time No.
Today Union sees sunrise at 7:00 AM, sunset at 5:18 PM. Daylight comes out to 10 h 18 min.
Around Union, places such as Alsuma and Broken Arrow use the same time.