Time Difference: San Francisco to Singapore
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San Francisco vs Singapore timezone guide
San Francisco (US) uses the America/Los_Angeles timezone at UTC-8, while Singapore (Singapore) uses Asia/Singapore at UTC+8. This means Singapore is 16 hours ahead of San Francisco (based on standard offsets — the live difference above accounts for daylight saving time).
Best meeting times between San Francisco and Singapore
Standard 9-to-5 working hours in San Francisco and Singapore 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
| San Francisco | Singapore | Status |
|---|---|---|
| 6am | 9pm | San Francisco early, Singapore evening |
| 7am | 10pm | San Francisco early, Singapore late evening |
| 8am | 11pm | San Francisco early, Singapore late evening |
| 9am | 12am | San Francisco working hours, Singapore asleep |
| 10am | 1am | San Francisco working hours, Singapore asleep |
| 11am | 2am | San Francisco working hours, Singapore asleep |
| 12pm | 3am | San Francisco working hours, Singapore asleep |
| 1pm | 4am | San Francisco working hours, Singapore asleep |
| 2pm | 5am | San Francisco working hours, Singapore asleep |
| 3pm | 6am | One side outside 9-to-5 but still awake |
| 4pm | 7am | One side outside 9-to-5 but still awake |
| 5pm | 8am | San Francisco evening, Singapore early |
| 6pm | 9am | One side outside 9-to-5 but still awake |
| 7pm | 10am | One side outside 9-to-5 but still awake |
| 8pm | 11am | One side outside 9-to-5 but still awake |
| 9pm | 12pm | One side outside 9-to-5 but still awake |
| 10pm | 1pm | San Francisco late evening, Singapore working hours |
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 San Francisco and Singapore
San Francisco observes daylight saving time, but Singapore does not. That means the difference between the two cities changes seasonally — by one hour, around San Francisco's transition dates.
- Dec 31 → Mar 8San Francisco is 16 hours behind Singapore
- Mar 8 → Nov 1San Francisco is 15 hours behind Singapore
- Nov 1 → Dec 31San Francisco is 16 hours behind Singapore
Distance between San Francisco and Singapore
San Francisco and Singapore are 13,582 km apart along the great-circle route. A direct flight takes roughly ~16h 59m, depending on aircraft type, winds, and routing.