San Francisco
Exact time synced with atomic clocks (IANA + NTP)
Wednesday, May 20, 2026
United States Β· America/Los_Angeles Β· PDT
San Francisco and Shanghai Time Difference
San Francisco is 15h behind Shanghai
Shanghai
Exact time synced with atomic clocks (IANA + NTP)
Thursday, May 21, 2026
China Β· Asia/Shanghai Β· GMT+8
Best time for work calls
If you are scheduling a call between San Francisco and Shanghai, there is very limited or no overlap in normal business hours. Consider early-morning or late-evening calls for one side, or use async communication.
Best time for family calls
San Francisco and Shanghai have a comfortable window for a family call β no awkward alarms required. San Francisco is 15 hours behind Shanghai, which gives you 4 hours of genuine overlap when both sides are free. Aim for between 6 pm and 10 pm in San Francisco β that lands at 9 am to 1 pm in Shanghai, 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.
San Francisco
Memorial Day
May 25in 5dJuneteenth National Independence Day
Jun 19in 30dIndependence Day
Jul 3in 44d
Daylight Cycle
π
Dawn5:26:47 AM
βοΈ Sunrise5:56:39 AM
π Solar Noon1:07:38 PM
π Golden Hour7:40:53 PM
π Sunset8:18:38 PM
π Dusk8:48:30 PM
Day length14:21:59
Data via sunrisesunset.io
Current Weather
ConditionβοΈ Clear sky
Temperature18Β°C
Feels like15Β°C
Humidity54%
Wind13 mph W
Data via Open-Meteo Β· Updates every 30 min
Moon Phase
Phaseπ Waxing Crescent
Illumination24%
CycleWaxing
Moon age4.8 days
Moonrise10:43
Moonset00:50
Shanghai
Dragon Boat Festival
Jun 19in 30dMid-Autumn Festival
Sep 25in 128dNational Day
Oct 1in 134d
Daylight Cycle
π
Dawn4:29:00 AM
βοΈ Sunrise4:55:56 AM
π Solar Noon11:52:05 AM
π Golden Hour6:13:45 PM
π Sunset6:48:15 PM
π Dusk7:15:11 PM
Day length13:52:19
Data via sunrisesunset.io
Current Weather
ConditionβοΈ Overcast
Temperature25Β°C
Feels like27Β°C
Humidity69%
Wind7 mph NW
Data via Open-Meteo Β· Updates every 30 min
Moon Phase
Phaseπ Waxing Crescent
Illumination24%
CycleWaxing
Moon age4.8 days
Moonrise08:55
Moonset23:30