Time difference between Fukuoka and San Francisco
17 hours
Fukuoka is 17 hours ahead of San Francisco.
Does daylight saving change it?
Yes. In winter the gap is 17 hours; in summer it is 16 hours. Only San Francisco observes daylight saving.
Overlapping work hours
Between 09:00 and 11:00 in Fukuoka, San Francisco is also at work — 2 hours a day.
Fukuoka time → San Francisco time
| 00:00 | 07:00prev day |
|---|---|
| 01:00 | 08:00prev day |
| 02:00 | 09:00prev day |
| 03:00 | 10:00prev day |
| 04:00 | 11:00prev day |
| 05:00 | 12:00prev day |
| 06:00 | 13:00prev day |
| 07:00 | 14:00prev day |
| 08:00 | 15:00prev day |
| 09:00 | 16:00prev day |
| 10:00 | 17:00prev day |
| 11:00 | 18:00prev day |
| 12:00 | 19:00prev day |
| 13:00 | 20:00prev day |
| 14:00 | 21:00prev day |
| 15:00 | 22:00prev day |
| 16:00 | 23:00prev day |
| 17:00 | 00:00 |
| 18:00 | 01:00 |
| 19:00 | 02:00 |
| 20:00 | 03:00 |
| 21:00 | 04:00 |
| 22:00 | 05:00 |
| 23:00 | 06:00 |
Standard time (January). During daylight saving each row shifts by an hour.
Frequently asked questions
Q. How many hours is Fukuoka ahead of San Francisco?
17 hours on standard time. During daylight saving it becomes 16 hours, an hour more or less.
Q. What time is it in San Francisco when it is noon in Fukuoka?
Read the 12:00 row of the 24-hour table below. The table is on standard time, so each row shifts an hour during daylight saving.
Q. When should we schedule a meeting?
The two cities' work hours (09:00–18:00) overlap for 2 hours a day. Anything inside that window catches both sides at work.