Chicago
Exact time synced with atomic clocks (IANA + NTP)
Sunday, July 5, 2026
United States · America/Chicago · CDT
Chicago and San Francisco Time Difference
Chicago is 2h ahead of San Francisco
San Francisco
Exact time synced with atomic clocks (IANA + NTP)
Sunday, July 5, 2026
United States · America/Los_Angeles · PDT
Best time for work calls
If you are scheduling a call between Chicago and San Francisco, the overlap window is limited to typical business hours. When it is 11 am in Chicago it is 9 am in San Francisco — a workable window for scheduling. The latest reasonable overlap is around 5 pm in Chicago (3 pm in San Francisco). Outside this window there is effectively no good overlap for regular office hours.
Best time for family calls
Chicago and San Francisco have a comfortable window for a family call — no awkward alarms required. Chicago is 2 hours ahead of San Francisco, which gives you 4 hours of genuine overlap when both sides are free. Aim for between 6 pm and 10 pm in Chicago — that lands at 4 pm to 8 pm in San Francisco, after the school run and before anyone's ready for bed. For a Sunday catch-up or a midweek check-in, this is the sweet spot.
Chicago
Labour Day
Sep 7in 64dColumbus Day
Oct 12in 99dColumbus Day
Oct 12in 99d
Daylight Cycle
🌅 Dawn4:48:32 AM
☀️ Sunrise5:22:29 AM
🌞 Solar Noon12:56:12 PM
🌇 Golden Hour7:48:02 PM
🌆 Sunset8:29:55 PM
🌃 Dusk9:03:53 PM
Day length15:07:26
Data via sunrisesunset.io
Current Weather
Condition—
Temperature—
Feels like—
Humidity—
Wind—
Data via Open-Meteo · Updates every 30 min
Moon Phase
Phase🌖 Waning Gibbous
Illumination75%
CycleWaning
Moon age19.7 days
Moonrise23:09
Moonset11:02
San Francisco
Labour Day
Sep 7in 64dColumbus Day
Oct 12in 99dColumbus Day
Oct 12in 99d
Daylight Cycle
🌅 Dawn5:23:35 AM
☀️ Sunrise5:54:36 AM
🌞 Solar Noon1:15:23 PM
🌇 Golden Hour7:57:17 PM
🌆 Sunset8:36:09 PM
🌃 Dusk9:07:10 PM
Day length14:41:33
Data via sunrisesunset.io
Current Weather
Condition—
Temperature—
Feels like—
Humidity—
Wind—
Data via Open-Meteo · Updates every 30 min
Moon Phase
Phase🌖 Waning Gibbous
Illumination75%
CycleWaning
Moon age19.7 days
Moonrise23:29
Moonset11:28