Union City to Chicago time converter

Chicago is 2 hours ahead of Union City. When it is 9:00 AM in Union City, it is 11:00 AM in Chicago.

Union City PDT

Sunday, October 18, 2026

Chicago CDT

Sunday, October 18, 2026

Union City
California, United States
Sun, Oct 18
PDTUTC-7
Chicago
Illinois, United States
Sun, Oct 18
CDTUTC-5+2h
Finding your time zone…
Shared working hours (9:00–18:00)

Union City to Chicago conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 4:00 PM in Union City (11:00 AM – 6:00 PM in Chicago).

Daylight saving time and the difference

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

  • Oct 18, 2026 – Nov 1, 2026: +2h
  • Nov 1, 2026 – Nov 1, 2026: +1h
  • Nov 1, 2026 – Mar 14, 2027: +2h
  • Mar 14, 2027 – Mar 14, 2027: +3h
  • Mar 14, 2027 – Oct 18, 2027: +2h

Distance

Union City and Chicago are 2,957 km (1,837 miles) apart in a straight line.

More conversions

Chicago to Union CityUnion City to New YorkUnion City to LondonUnion City to Los AngelesUnion City to TorontoUnion City to São PauloUnion City to ParisUnion City to BerlinUnion City to MoscowUnion City to DubaiUnion City to New DelhiUnion City to BangkokUnion City to Singapore
New York to ChicagoLondon to ChicagoLos Angeles to ChicagoToronto to ChicagoSão Paulo to ChicagoParis to ChicagoBerlin to ChicagoMoscow to ChicagoDubai to ChicagoNew Delhi to ChicagoBangkok to ChicagoSingapore to Chicago

Questions and answers

What is the time difference between Union City and Chicago?

Chicago is 2 hours ahead of Union City.

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

When it is 9:00 AM in Union City, it is 11:00 AM in Chicago.

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

Both sides are at work from 9:00 AM – 4:00 PM in Union City (11:00 AM – 6:00 PM in Chicago).

Does the time difference between Union City and Chicago change?

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