Istanbul zone
GMT+3 (GMT+3)
San Francisco zone
PDT (GMT-7)
Difference
10 hours behind Istanbul
Business overlap
No 9-5 overlap
Working hours overlap
Each cell is one hour in Istanbul. Filled cells mark when 9 AM – 5 PM in Istanbul and San Francisco both apply.
0 hours per day
- Istanbul
- GMT+3
- San Francisco
- GMT-7
- Difference
- -10h
- Business overlap
- 0h
Hour-by-hour conversion
Each row shows the matching local time in San Francisco for an hour in Istanbul.
| Istanbul | San Francisco | Day | Window |
|---|---|---|---|
| 12:00 AM | 2:00 PM | previous day | — |
| 1:00 AM | 3:00 PM | previous day | — |
| 2:00 AM | 4:00 PM | previous day | — |
| 3:00 AM | 5:00 PM | previous day | — |
| 4:00 AM | 6:00 PM | previous day | — |
| 5:00 AM | 7:00 PM | previous day | — |
| 6:00 AM | 8:00 PM | previous day | — |
| 7:00 AM | 9:00 PM | previous day | — |
| 8:00 AM | 10:00 PM | previous day | — |
| 9:00 AM | 11:00 PM | previous day | — |
| 10:00 AM | 12:00 AM | same day | — |
| 11:00 AM | 1:00 AM | same day | — |
| 12:00 PM | 2:00 AM | same day | — |
| 1:00 PM | 3:00 AM | same day | — |
| 2:00 PM | 4:00 AM | same day | — |
| 3:00 PM | 5:00 AM | same day | — |
| 4:00 PM | 6:00 AM | same day | — |
| 5:00 PM | 7:00 AM | same day | — |
| 6:00 PM | 8:00 AM | same day | — |
| 7:00 PM | 9:00 AM | same day | — |
| 8:00 PM | 10:00 AM | same day | — |
| 9:00 PM | 11:00 AM | same day | — |
| 10:00 PM | 12:00 PM | same day | — |
| 11:00 PM | 1:00 PM | same day | — |
Best meeting windows
Standard 9 AM – 5 PM hours in Istanbul and San Francisco do not overlap. Plan calls for early Istanbul morning or late Istanbul evening, and rotate the burden between sides.
Tighter overlap is achievable by having the side with later working hours start earlier, or by treating the first and last hours of each side as flexible. The bar above marks every hour where both cities sit inside a 9 AM – 5 PM window.
About converting Istanbul time to San Francisco time
Istanbul follows the Europe/Istanbul time zone (currently GMT+3, GMT+3), while San Francisco follows America/Los_Angeles (currently PDT, GMT-7). San Francisco is 10 hours behind Istanbul right now.
San Francisco observes daylight saving time, while Istanbul does not. The offset between the two cities changes by one hour at the daylight saving transitions.
Daylight saving transitions in 2026
Istanbul
Does not observe daylight saving time.
San Francisco
- Spring forward · Sunday, March 8, 2026
- Fall back · Sunday, November 1, 2026
Reverse this conversion
San Francisco to Istanbul
Open the converter
Plan a meeting between Istanbul and San Francisco
More conversions from Istanbul
Frequently asked questions
- How many hours is Istanbul from San Francisco?
- San Francisco is 10 hours behind Istanbul right now.
- What time is 9:00 AM Istanbul in San Francisco?
- 9:00 AM in Istanbul is 11:00 PM (previous day) in San Francisco.
- What time is 5:00 PM Istanbul in San Francisco?
- 5:00 PM in Istanbul is 7:00 AM in San Francisco.
- When do Istanbul and San Francisco business hours overlap?
- Standard 9 AM - 5 PM working hours in Istanbul and San Francisco do not overlap. You will need an early or late call.
- Does daylight saving time change the difference between Istanbul and San Francisco?
- San Francisco observes daylight saving time while Istanbul does not, so the offset between them changes by one hour twice a year.
Local time page
Time in Istanbul
Local time page
Time in San Francisco