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Time difference between San Francisco and Bangkok
San Francisco
—
Bangkok
—
Bangkok is 14 hours ahead of San Francisco right now.
Does the gap change?
The gap isn't fixed. San Francisco changes its clocks for daylight saving time and Bangkok doesn't, so the difference moves during the year:
- From around November 2, 2026: Bangkok ahead by 15 hours
- From around March 15, 2027: Bangkok ahead by 14 hours
Best time to meet
Normal office hours in Bangkok and San Francisco don't overlap. The most workable window is 5 PM to 10 PM in San Francisco, which is 7 AM to 12 PM in Bangkok, with one side starting early or finishing late.
For a recurring meeting, it's fairest to rotate which city takes the inconvenient slot.
City details
San Francisco to Bangkok, hour by hour
| San Francisco | Bangkok | ||
|---|---|---|---|
| 12 AM | Night | 2 PM | Work hours |
| 1 AM | Night | 3 PM | Work hours |
| 2 AM | Night | 4 PM | Work hours |
| 3 AM | Night | 5 PM | Early or late |
| 4 AM | Night | 6 PM | Early or late |
| 5 AM | Night | 7 PM | Early or late |
| 6 AM | Night | 8 PM | Early or late |
| 7 AM | Early or late | 9 PM | Early or late |
| 8 AM | Early or late | 10 PM | Night |
| 9 AM | Work hours | 11 PM | Night |
| 10 AM | Work hours | 12 AM (Thu) | Night |
| 11 AM | Work hours | 1 AM (Thu) | Night |
| 12 PM | Work hours | 2 AM (Thu) | Night |
| 1 PM | Work hours | 3 AM (Thu) | Night |
| 2 PM | Work hours | 4 AM (Thu) | Night |
| 3 PM | Work hours | 5 AM (Thu) | Night |
| 4 PM | Work hours | 6 AM (Thu) | Night |
| 5 PM | Early or late | 7 AM (Thu) | Early or late |
| 6 PM | Early or late | 8 AM (Thu) | Early or late |
| 7 PM | Early or late | 9 AM (Thu) | Work hours |
| 8 PM | Early or late | 10 AM (Thu) | Work hours |
| 9 PM | Early or late | 11 AM (Thu) | Work hours |
| 10 PM | Night | 12 PM (Thu) | Work hours |
| 11 PM | Night | 1 PM (Thu) | Work hours |
Based on today's clocks. Work hours are 9 AM to 5 PM.