Chicago to Los Altos time converter

Los Altos is 2 hours behind Chicago. When it is 9:00 AM in Chicago, it is 7:00 AM in Los Altos.

Chicago CDT

Sunday, October 18, 2026

Los Altos PDT

Sunday, October 18, 2026

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

Chicago to Los Altos conversion table

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

ChicagoLos Altos
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 Los Altos).

Daylight saving time and the difference

The difference changes during the year because Chicago and Los Altos 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

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

More conversions

Los Altos to ChicagoChicago to New YorkChicago to LondonChicago to Los AngelesChicago to TorontoChicago to São PauloChicago to ParisChicago to BerlinChicago to MoscowChicago to DubaiChicago to New DelhiChicago to BangkokChicago to Singapore
New York to Los AltosLondon to Los AltosLos Angeles to Los AltosToronto to Los AltosSão Paulo to Los AltosParis to Los AltosBerlin to Los AltosMoscow to Los AltosDubai to Los AltosNew Delhi to Los AltosBangkok to Los AltosSingapore to Los Altos

Questions and answers

What is the time difference between Chicago and Los Altos?

Los Altos is 2 hours behind Chicago.

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

When it is 9:00 AM in Chicago, it is 7:00 AM in Los Altos.

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

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

Does the time difference between Chicago and Los Altos change?

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