Chicago to Foster City time converter

Foster City is 2 hours behind Chicago. When it is 9:00 AM in Chicago, it is 7:00 AM in Foster City.

Chicago CDT

Tuesday, October 20, 2026

Foster City PDT

Tuesday, October 20, 2026

Chicago
Illinois, United States
Tue, Oct 20
CDTUTC-5
Foster City
California, United States
Tue, Oct 20
PDTUTC-7-2h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to Foster City conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 20, 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 20, 2027: -2h

Distance

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

More conversions

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New York to Foster CityLondon to Foster CityLos Angeles to Foster CityToronto to Foster CitySão Paulo to Foster CityParis to Foster CityBerlin to Foster CityMoscow to Foster CityDubai to Foster CityNew Delhi to Foster CityBangkok to Foster CitySingapore to Foster City

Questions and answers

What is the time difference between Chicago and Foster City?

Foster City is 2 hours behind Chicago.

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

When it is 9:00 AM in Chicago, it is 7:00 AM in Foster City.

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

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

Does the time difference between Chicago and Foster City change?

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