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Time Difference: Bangkok to San Francisco

🇹🇭BangkokUTC+7
vs
🇺🇸San FranciscoUTC-8
🇹🇭
Bangkok, Thailand
Mon, May 25
🇺🇸
San Francisco, US
Sun, May 24

Click a time to convert

Time Difference
14 hours
San Francisco is 14 hours behind Bangkok
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🇹🇭
Bangkok
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🇺🇸
San Francisco
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Bangkok vs San Francisco timezone guide

Bangkok (Thailand) uses the Asia/Bangkok timezone at UTC+7, while San Francisco (US) uses America/Los_Angeles at UTC-8. This means San Francisco is 15 hours behind Bangkok (based on standard offsets — the live difference above accounts for daylight saving time).

Best meeting times between Bangkok and San Francisco

Standard 9-to-5 working hours in Bangkok 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

BangkokSan FranciscoStatus
6am4pmOne side outside 9-to-5 but still awake
7am5pmBangkok early, San Francisco evening
8am6pmBangkok early, San Francisco evening
9am7pmOne side outside 9-to-5 but still awake
10am8pmOne side outside 9-to-5 but still awake
11am9pmOne side outside 9-to-5 but still awake
12pm10pmBangkok working hours, San Francisco late evening
1pm11pmBangkok working hours, San Francisco late evening
2pm12amBangkok working hours, San Francisco asleep
3pm1amBangkok working hours, San Francisco asleep
4pm2amBangkok working hours, San Francisco asleep
5pm3amBangkok evening, San Francisco asleep
6pm4amBangkok evening, San Francisco asleep
7pm5amBangkok evening, San Francisco asleep
8pm6amBangkok evening, San Francisco early
9pm7amBangkok evening, San Francisco early
10pm8amBangkok 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 Bangkok and San Francisco

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

  • Jan 1 → Mar 8Bangkok is 15 hours ahead San Francisco
  • Mar 8 → Nov 1Bangkok is 14 hours ahead San Francisco
  • Nov 1 → Jan 1Bangkok is 15 hours ahead San Francisco

Distance between Bangkok and San Francisco

Great-circle distance
12,745 km
Direct flight time
~15h 60m

Bangkok and San Francisco are 12,745 km apart along the great-circle route. A direct flight takes roughly ~15h 60m, depending on aircraft type, winds, and routing.

More comparisons

Bangkok to New YorkBangkok to LondonBangkok to TokyoBangkok to SydneySan Francisco to New YorkSan Francisco to LondonSan Francisco to TokyoSan Francisco to Sydney

Frequently asked questions

What is the time difference between Bangkok and San Francisco?
The current time difference is 14 hours. Bangkok is currently 14 hours ahead of San Francisco.
Is Bangkok ahead of San Francisco?
Yes. Bangkok is currently 14 hours ahead of San Francisco.
What time is it in San Francisco when it's 9 AM in Bangkok?
When it's 9 AM in Bangkok, it's 7pm in San Francisco.
When is the best time to schedule a meeting between Bangkok and San Francisco?
Standard 9-to-5 working hours in Bangkok 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 Bangkok and San Francisco observe daylight saving time?
San Francisco observes daylight saving time, but Bangkok does not — the difference between the two cities changes by one hour around the DST transition dates.
How far apart are Bangkok and San Francisco?
Bangkok and San Francisco are 12,745 km apart along the great-circle route. A direct flight takes roughly 15 hours 60 minutes.