Costa Mesa to Chicago time converter

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

Costa Mesa PDT

Friday, October 16, 2026

Chicago CDT

Friday, October 16, 2026

Costa Mesa
California, United States
Fri, Oct 16
PDTUTC-7
Chicago
Illinois, United States
Fri, Oct 16
CDTUTC-5+2h
Finding your time zone…
Shared working hours (9:00–18:00)

Costa Mesa to Chicago conversion table

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

Costa MesaChicago
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 Costa Mesa (11:00 AM – 6:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Costa Mesa and Chicago switch clocks on different dates:

  • Oct 16, 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 16, 2027: +2h

Distance

Costa Mesa and Chicago are 2,796 km (1,737 miles) apart in a straight line.

More conversions

Chicago to Costa MesaCosta Mesa to New YorkCosta Mesa to LondonCosta Mesa to Los AngelesCosta Mesa to TorontoCosta Mesa to São PauloCosta Mesa to ParisCosta Mesa to BerlinCosta Mesa to MoscowCosta Mesa to DubaiCosta Mesa to New DelhiCosta Mesa to BangkokCosta Mesa 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 Costa Mesa and Chicago?

Chicago is 2 hours ahead of Costa Mesa.

What time is it in Chicago when it is 9 AM in Costa Mesa?

When it is 9:00 AM in Costa Mesa, it is 11:00 AM in Chicago.

When is the best time to call Chicago from Costa Mesa?

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

Does the time difference between Costa Mesa 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.