Time difference between Istanbul and San Francisco
11 hours
Istanbul is 11 hours ahead of San Francisco.
Does daylight saving change it?
Yes. In winter the gap is 11 hours; in summer it is 10 hours. Only San Francisco observes daylight saving.
Overlapping work hours
During Istanbul work hours (09:00–18:00) San Francisco is off the clock. One side has to take an early morning or a late evening.
Istanbul time → San Francisco time
| 00:00 | 13:00prev day |
|---|---|
| 01:00 | 14:00prev day |
| 02:00 | 15:00prev day |
| 03:00 | 16:00prev day |
| 04:00 | 17:00prev day |
| 05:00 | 18:00prev day |
| 06:00 | 19:00prev day |
| 07:00 | 20:00prev day |
| 08:00 | 21:00prev day |
| 09:00 | 22:00prev day |
| 10:00 | 23:00prev day |
| 11:00 | 00:00 |
| 12:00 | 01:00 |
| 13:00 | 02:00 |
| 14:00 | 03:00 |
| 15:00 | 04:00 |
| 16:00 | 05:00 |
| 17:00 | 06:00 |
| 18:00 | 07:00 |
| 19:00 | 08:00 |
| 20:00 | 09:00 |
| 21:00 | 10:00 |
| 22:00 | 11:00 |
| 23:00 | 12:00 |
Standard time (January). During daylight saving each row shifts by an hour.
Frequently asked questions
Q. How many hours is Istanbul ahead of San Francisco?
11 hours on standard time. During daylight saving it becomes 10 hours, an hour more or less.
Q. What time is it in San Francisco when it is noon in Istanbul?
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 work hours do not overlap at all. One side has to take an early morning or a late evening.