Chicago to Union City time converter

Union City is 1 hour ahead of Chicago. When it is 9:00 AM in Chicago, it is 10:00 AM in Union City.

Chicago CDT

Wednesday, October 21, 2026

Union City EDT

Wednesday, October 21, 2026

Chicago
Illinois, United States
Wed, Oct 21
CDTUTC-5
Union City
New Jersey, United States
Wed, Oct 21
EDTUTC-4+1h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to Union City conversion table

Every hour of today in Chicago and the matching time in Union City. Light rows are typical working hours (9:00–18:00).

ChicagoUnion City
12:00 AM1:00 AM
1:00 AM2:00 AM
2:00 AM3:00 AM
3:00 AM4:00 AM
4:00 AM5:00 AM
5:00 AM6:00 AM
6:00 AM7:00 AM
7:00 AM8:00 AM
8:00 AM9:00 AM
9:00 AM10:00 AM
10:00 AM11:00 AM
11:00 AM12:00 PM
12:00 PM1:00 PM
1:00 PM2:00 PM
2:00 PM3:00 PM
3:00 PM4:00 PM
4:00 PM5:00 PM
5:00 PM6:00 PM
6:00 PM7:00 PM
7:00 PM8:00 PM
8:00 PM9:00 PM
9:00 PM10:00 PM
10:00 PM11:00 PM
11:00 PM12:00 AM+1 day

Best time to call or meet

Both sides are at work from 9:00 AM – 5:00 PM in Chicago (10:00 AM – 6:00 PM in Union City).

Daylight saving time and the difference

The difference changes during the year because Chicago and Union City switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: +1h
  • Nov 1, 2026 – Nov 1, 2026: ±0
  • Nov 1, 2026 – Mar 14, 2027: +1h
  • Mar 14, 2027 – Mar 14, 2027: +2h
  • Mar 14, 2027 – Oct 21, 2027: +1h

Distance

Chicago and Union City are 1,143 km (710 miles) apart in a straight line.

More conversions

Union City to ChicagoChicago to New YorkChicago to LondonChicago to Los AngelesChicago to TorontoChicago to São PauloChicago to ParisChicago to BerlinChicago to MoscowChicago to DubaiChicago to New DelhiChicago to BangkokChicago to Singapore
New York to Union CityLondon to Union CityLos Angeles to Union CityToronto to Union CitySão Paulo to Union CityParis to Union CityBerlin to Union CityMoscow to Union CityDubai to Union CityNew Delhi to Union CityBangkok to Union CitySingapore to Union City

Questions and answers

What is the time difference between Chicago and Union City?

Union City is 1 hour ahead of Chicago.

What time is it in Union City when it is 9 AM in Chicago?

When it is 9:00 AM in Chicago, it is 10:00 AM in Union City.

When is the best time to call Union City from Chicago?

Both sides are at work from 9:00 AM – 5:00 PM in Chicago (10:00 AM – 6:00 PM in Union City).

Does the time difference between Chicago and Union City change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.