Foster City to Chicago time converter

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

Foster City PDT

Sunday, October 18, 2026

Chicago CDT

Sunday, October 18, 2026

Foster 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)

Foster City to Chicago conversion table

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

Foster 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 Foster City (11:00 AM – 6:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Foster 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

Foster City and Chicago are 2,979 km (1,851 miles) apart in a straight line.

More conversions

Chicago to Foster CityFoster City to New YorkFoster City to LondonFoster City to Los AngelesFoster City to TorontoFoster City to São PauloFoster City to ParisFoster City to BerlinFoster City to MoscowFoster City to DubaiFoster City to New DelhiFoster City to BangkokFoster 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 Foster City and Chicago?

Chicago is 2 hours ahead of Foster City.

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

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

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

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

Does the time difference between Foster 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.