C
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    All time differences
    TIME DIFFERENCE

    Chicago San Francisco

    −2hSan Francisco is 2h behind Chicago right now.
    Chicago
    --:--
    San Francisco
    --:--
    Live — updates every second
    WORKING-HOUR OVERLAP

    Working-hour overlap

    shared 9–5 hours
    Find a time with everyoneAdd a third city Tracks assume a 9–5 working day in each city.
    SIDE BY SIDE
    ChicagoSan Francisco
    Time zoneCentral Daylight TimePacific Daylight Time
    IANA identifierAmerica/ChicagoAmerica/Los_Angeles
    AbbreviationCDTPDT
    UTC offsetUTC-5UTC-7
    Daylight savingObservedObserved
    Current time
    QUESTIONS
    01

    How many hours is San Francisco behind Chicago?

    San Francisco is 2 hours behind Chicago. That's calculated from each city's current UTC offset (UTC-5 for Chicago, UTC-7 for San Francisco).

    02

    Does the time difference between Chicago and San Francisco change during the year?

    It can. Chicago and San Francisco observe daylight saving time, so the gap shifts by an hour when clocks change. The live clocks above always reflect the current, correct difference.

    03

    What's the best time to schedule a meeting between Chicago and San Francisco?

    Aim for roughly 11 AM – 5 PM in Chicago, which is 9 AM – 3 PM in San Francisco — about 6 hours where both cities are within normal working hours. To collect everyone's exact availability, create a free meeting on Converge.

    MORE TIME DIFFERENCES

    Meeting across Chicago and San Francisco?

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