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Time Difference: Hong Kong to San Francisco

🇨🇳Hong KongUTC+8
vs
🇺🇸San FranciscoUTC-8
🇨🇳
Hong Kong, China
Fri, Jun 5
🇺🇸
San Francisco, US
Fri, Jun 5

Click a time to convert

Time Difference
15 hours
San Francisco is 15 hours behind Hong Kong
Compare on map
🇨🇳
Hong Kong
View city page
🇺🇸
San Francisco
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Hong Kong vs San Francisco timezone guide

Hong Kong (China) uses the Asia/Hong_Kong timezone at UTC+8, while San Francisco (US) uses America/Los_Angeles at UTC-8. This means San Francisco is 16 hours behind Hong Kong (based on standard offsets — the live difference above accounts for daylight saving time).

Best meeting times between Hong Kong and San Francisco

Standard 9-to-5 working hours in Hong Kong and San Francisco do not overlap. To meet synchronously, one side will need to start early or stay late — see the hour-by-hour planner below for the least disruptive options.

Hour-by-hour planner

Hong KongSan FranciscoStatus
6am3pmOne side outside 9-to-5 but still awake
7am4pmOne side outside 9-to-5 but still awake
8am5pmHong Kong early, San Francisco evening
9am6pmOne side outside 9-to-5 but still awake
10am7pmOne side outside 9-to-5 but still awake
11am8pmOne side outside 9-to-5 but still awake
12pm9pmOne side outside 9-to-5 but still awake
1pm10pmHong Kong working hours, San Francisco late evening
2pm11pmHong Kong working hours, San Francisco late evening
3pm12amHong Kong working hours, San Francisco asleep
4pm1amHong Kong working hours, San Francisco asleep
5pm2amHong Kong evening, San Francisco asleep
6pm3amHong Kong evening, San Francisco asleep
7pm4amHong Kong evening, San Francisco asleep
8pm5amHong Kong evening, San Francisco asleep
9pm6amHong Kong evening, San Francisco early
10pm7amHong Kong late evening, San Francisco early

Green = standard working hours (9 AM – 5 PM). Amber = early (6–9 AM). Orange = evening (5–10 PM). Grey = asleep or late.

Daylight saving time between Hong Kong and San Francisco

San Francisco observes daylight saving time, but Hong Kong does not. That means the difference between the two cities changes seasonally — by one hour, around San Francisco's transition dates.

  • Jan 1 → Mar 8Hong Kong is 16 hours ahead San Francisco
  • Mar 8 → Nov 1Hong Kong is 15 hours ahead San Francisco
  • Nov 1 → Jan 1Hong Kong is 16 hours ahead San Francisco

Distance between Hong Kong and San Francisco

Great-circle distance
11,096 km
Direct flight time
~14h 3m

Hong Kong and San Francisco are 11,096 km apart along the great-circle route. A direct flight takes roughly ~14h 3m, depending on aircraft type, winds, and routing.

More comparisons

Hong Kong to New YorkHong Kong to LondonHong Kong to TokyoHong Kong to SydneySan Francisco to New YorkSan Francisco to LondonSan Francisco to TokyoSan Francisco to Sydney

Frequently asked questions

What is the time difference between Hong Kong and San Francisco?
The current time difference is 15 hours. Hong Kong is currently 15 hours ahead of San Francisco.
Is Hong Kong ahead of San Francisco?
Yes. Hong Kong is currently 15 hours ahead of San Francisco.
What time is it in San Francisco when it's 9 AM in Hong Kong?
When it's 9 AM in Hong Kong, it's 6pm in San Francisco.
When is the best time to schedule a meeting between Hong Kong and San Francisco?
Standard 9-to-5 working hours in Hong Kong and San Francisco do not overlap. To meet synchronously, one side will need to start before 9 AM or work past 5 PM — see the planner above for the least disruptive options.
Do Hong Kong and San Francisco observe daylight saving time?
San Francisco observes daylight saving time, but Hong Kong does not — the difference between the two cities changes by one hour around the DST transition dates.
How far apart are Hong Kong and San Francisco?
Hong Kong and San Francisco are 11,096 km apart along the great-circle route. A direct flight takes roughly 14 hours 3 minutes.