Chicago to Los Altos Time Converter

Updating current time…
Chicago
Illinois, USACDT
UTC−5
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Chicago's clocks go back 1 hour on Sun, Nov 1 · CDT → CST
Los Altos
California, USAPDT
UTC−7
2h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Clocks in Los Altos go back 1 hour on Sun, Nov 1 · PDT → PST

Quick answers

Selected conversion

7:00 am07:00 CDT (UTC-5), Oct 26, 2026 = 5:00 am05:00 PDT (UTC-7), Oct 26, 2026

Chicago is 2 hours ahead of Los Altos.

How the time difference changes

Normally, Chicago is 2 hours ahead of Los Altos. Briefly around seasonal clock changes, Chicago is 3 hours ahead of Los Altos or Chicago is 1 hour ahead of Los Altos.

Typically, working hours of 9:00 am to 6:00 pm in Chicago correspond to 7:00 am to 4:00 pm in Los Altos.Typically, working hours of 09:00 to 18:00 in Chicago correspond to 07:00 to 16:00 in Los Altos.

Compare Chicago time with Los Altos time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

CDT (Central Daylight Time) is 2 hours ahead of PDT (Pacific Daylight Time).
7:00 am07:00 in Chicago, IL, USA is 5:00 am05:00 in Los Altos, CA, USA

Chicago to Los Altos call time
Best time for a conference call or a meeting is between 11am-6pm11:00-18:00 in Chicago which corresponds to 9am-4pm09:00-16:00 in Los Altos

7:00 am07:00 CDT (Central Daylight Time) (Chicago, IL, USA). Offset UTC -5:00 hours
5:00 am05:00 PDT (Pacific Daylight Time) (Los Altos, CA, USA). Offset UTC -7:00 hours

7:00 am07:00 Chicago, IL, USA / 5:00 am05:00 Los Altos, CA, USA

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
Chicago, IL, USALos Altos, CA, USA
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Chicago Time Zone and Facts

Time Zone

Abbreviation / Offset
CDT – Central Daylight Time, UTC-5 (now, daylight saving time)
CST – Central Standard Time, UTC-6 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, November 1, 2026 at 2:00 amSunday, November 1, 2026 at 02:00: clocks go back 1 hour to 1:00 am01:00 (CST). DST ends on the 1st Sunday of November each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, March 14, 2027 at 2:00 amSunday, March 14, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (CDT). DST starts on the 2nd Sunday of March each year. Also called Spring Forward or Summer Time.
Clock Changes
USA daylight saving time · Clock changes worldwide

Chicago Facts

Country
USA
State
Illinois
Alternative Names
CHI, Cekaga, Chi-ka-ko, Chi-kâ-kô, Chicago, Chicagu, Chikago, Chykaga, Cikaga, Cikago, Cikaqo, E-Chicago, Kikako, Shikago, Sicagum, Sikago, The Windy City, Tsikago, Windy City, chikhako, cikago, cikako, shikago, shkagw, shykaghw, shykagw, shykajw, shyqgw, sikago, sikkagea, syqgw, zhi jia ge, Çikago, Çikaqo, Ĉikago, Čikaga, Čikago, Čikāga, Čėkaga, Şikago, Σικάγο, Чикаго, Чикаґо, Чыкага, Չիկագո, שיקאגא, שיקגו, شيكاجو, شيكاغو, شکاگو, شیکاگو, شیکاگۆ, ܫܝܩܓܘ, शिकागो, শিকাগো, ਸ਼ਿਕਾਗੋ, சிகாகோ, చికాగో, ಶಿಕಾಗೊ, ഷിക്കാഗോ, ชิคาโก, ရှီကာဂိုမြို့, ჩიკაგო, ሺካጎ, ᓰᖄᑯ, Ṣìkágò, シカゴ, 芝加哥, 시카고, 𐍃𐌾𐌹𐌺𐌰𐌲𐍉
Population
2,664,452
Currency
Dollar (USD)
Geographic Coordinates
41° 51' N Latitude / 87° 39' W Longitude
International Dialing Code
+1
More About Chicago
Chicago time now

Los Altos Time Zone and Facts

Time Zone

Abbreviation / Offset
PDT – Pacific Daylight Time, UTC-7 (now, daylight saving time)
PST – Pacific Standard Time, UTC-8 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, November 1, 2026 at 2:00 amSunday, November 1, 2026 at 02:00: clocks go back 1 hour to 1:00 am01:00 (PST). DST ends on the 1st Sunday of November each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, March 14, 2027 at 2:00 amSunday, March 14, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (PDT). DST starts on the 2nd Sunday of March each year. Also called Spring Forward or Summer Time.
Clock Changes
USA daylight saving time · Clock changes worldwide

Los Altos Facts

Country
USA
State
California
Alternative Names
Los Altos, Los-Al'tos, Los-Altos, lasa eltosa, loseuaeltoseu, ls‌altws, luo si a tu si, luo si la tu si, lws altws, rosuarutosu, Лос Алтос, Лос-Алтос, Лос-Альтос, לוס אלטוס, لس‌آلتوس, لوس ألتوس, लस एल्टोस, ロスアルトス, 洛思阿圖斯, 洛斯拉图斯, 로스앨토스
Population
30,671
Currency
Dollar (USD)
Geographic Coordinates
37° 23' N Latitude / 122° 06' W Longitude
International Dialing Code
+1
More About Los Altos
Los Altos local time and city facts
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT