π¨π³ Guangzhou β πΊπΈ San Francisco
Guangzhou is usually 15 hours ahead of San Francisco. San Francisco observes daylight saving time and Guangzhou does not, so the difference shifts by an hour around the changeovers.
Sunrise 5:45 AMSunset 7:17 PM(local)
Sunrise 5:52 AMSunset 8:36 PM(local)
π¨π³ Guangzhou
Dialing code+86
Population16,096,724
Coordinates23.12Β°N, 113.25Β°E
Elevation15 m
πΊπΈ San Francisco
Dialing code+1
Population827,526
Coordinates37.77Β°N, 122.42Β°W
Elevation16 m
No comfortable common working hours β these cities barely overlap.
Working hours assumed 9:00β18:00.
Frequently asked questions
- What is the time difference between Guangzhou and San Francisco?
- Guangzhou is 15 hours ahead of San Francisco. Use the side-by-side clocks and the day/night strips above to convert any hour between them.
- When is the best time to call between Guangzhou and San Francisco?
- There is no hour when standard working hours (9:00β18:00) overlap in both Guangzhou and San Francisco, so any call falls outside business hours for at least one side.
- Why does the time difference between Guangzhou and San Francisco change?
- Because at least one of Guangzhou and San Francisco observes daylight saving time, the difference shifts by an hour when one city changes its clocks and the other has not yet (or does not).