Tehran to San Francisco Time Difference
🇮🇷 Tehran is currently 10.5 hours behind of 🇺🇸 San Francisco. This difference varies between 11.5h and 10.5h due to Daylight Saving Time.
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Difference
-10.5h
Business overlap
None
Distance
11,821 km
Approx. flight
13.9h
Hour-by-Hour: Tehran to San Francisco
| 🇮🇷 Tehran | 🇺🇸 San Francisco | Note |
|---|---|---|
| 12:00 AM | 1:30 PM(prev day) | Previous day |
| 1:00 AM | 2:30 PM(prev day) | Previous day |
| 2:00 AM | 3:30 PM(prev day) | Previous day |
| 3:00 AM | 4:30 PM(prev day) | Previous day |
| 4:00 AM | 5:30 PM(prev day) | Previous day |
| 5:00 AM | 6:30 PM(prev day) | Previous day |
| 6:00 AM | 7:30 PM(prev day) | Previous day |
| 7:00 AM | 8:30 PM(prev day) | Previous day |
| 8:00 AM | 9:30 PM(prev day) | Previous day |
| 9:00 AM | 10:30 PM(prev day) | Previous day |
| 10:00 AM | 11:30 PM(prev day) | Previous day |
| 11:00 AM | 12:30 AM | |
| 12:00 PM | 1:30 AM | |
| 1:00 PM | 2:30 AM | |
| 2:00 PM | 3:30 AM | |
| 3:00 PM | 4:30 AM | |
| 4:00 PM | 5:30 AM | |
| 5:00 PM | 6:30 AM | |
| 6:00 PM | 7:30 AM | |
| 7:00 PM | 8:30 AM | |
| 8:00 PM | 9:30 AM | |
| 9:00 PM | 10:30 AM | |
| 10:00 PM | 11:30 AM | |
| 11:00 PM | 12:30 PM |
Daylight Saving Time (DST)
San Francisco observes Daylight Saving Time, while Tehran does not. This causes the time difference to shift between 11.5 hours behind and 10.5 hours behind depending on the season. Currently, Tehran is 10.5 hours behind relative to San Francisco.
Min difference
11.5h
Max difference
10.5h
Best Meeting Times
There is no overlap between standard business hours (9 AM – 6 PM) in Tehran and San Francisco. Consider scheduling early morning or late evening calls to bridge the gap.
Frequently Asked Questions
What is the time difference between Tehran and San Francisco?
The time difference between Tehran and San Francisco is currently 10.5 hours behind. Tehran uses GMT+3:30 (UTC+3:30), while San Francisco uses PDT (UTC-7). This difference varies seasonally due to Daylight Saving Time, ranging from 11.5 hours behind to 10.5 hours behind.
When it's noon in Tehran, what time is it in San Francisco?
When it's 12:00 PM (noon) in Tehran, it is 1:30 AM in San Francisco. Use our calculator above to convert any other time.
Does the time difference between Tehran and San Francisco change?
Yes, the time difference changes throughout the year. Because San Francisco observes Daylight Saving Time, the offset shifts between 11.5 hours behind and 10.5 hours behind at different times of the year.
What are the best times to schedule a call between Tehran and San Francisco?
There is no overlap between standard business hours (9 AM – 6 PM) in Tehran and San Francisco. Consider scheduling early morning in one city or late evening in the other to find a mutually reasonable time.
Is Tehran ahead or behind San Francisco?
Tehran is currently 10.5 hours ahead of San Francisco.
What time zone is Tehran in?
Tehran is in the Asia/Tehran time zone, currently using GMT+3:30 (UTC+3:30). Tehran does not observe Daylight Saving Time.
What time is midnight in Tehran in San Francisco?
When it is midnight (12:00 AM) in Tehran, it is 1:30 PM in San Francisco.