Los Altos to Chicago time converter

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

Los Altos PDT

Sunday, October 18, 2026

Chicago CDT

Sunday, October 18, 2026

Los Altos
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)

Los Altos to Chicago conversion table

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

Los AltosChicago
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 Los Altos (11:00 AM – 6:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Los Altos 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

Los Altos and Chicago are 2,973 km (1,847 miles) apart in a straight line.

More conversions

Chicago to Los AltosLos Altos to New YorkLos Altos to LondonLos Altos to Los AngelesLos Altos to TorontoLos Altos to São PauloLos Altos to ParisLos Altos to BerlinLos Altos to MoscowLos Altos to DubaiLos Altos to New DelhiLos Altos to BangkokLos Altos 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 Los Altos and Chicago?

Chicago is 2 hours ahead of Los Altos.

What time is it in Chicago when it is 9 AM in Los Altos?

When it is 9:00 AM in Los Altos, it is 11:00 AM in Chicago.

When is the best time to call Chicago from Los Altos?

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

Does the time difference between Los Altos 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.