Philadelphia to Tehran Time Difference
🇺🇸 Philadelphia is currently 7.5 hours ahead of 🇮🇷 Tehran. This difference varies between 7.5h and 8.5h due to Daylight Saving Time.
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Atin 🇺🇸 Philadelphia→it will be—in 🇮🇷 Tehran
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Difference
+7.5h
Business overlap
1h
Distance
9,983 km
Approx. flight
11.7h
Hour-by-Hour: Philadelphia to Tehran
| 🇺🇸 Philadelphia | 🇮🇷 Tehran | Note |
|---|---|---|
| 12:00 AM | 7:30 AM | |
| 1:00 AM | 8:30 AM | |
| 2:00 AM | 9:30 AM | |
| 3:00 AM | 10:30 AM | |
| 4:00 AM | 11:30 AM | |
| 5:00 AM | 12:30 PM | |
| 6:00 AM | 1:30 PM | |
| 7:00 AM | 2:30 PM | |
| 8:00 AM | 3:30 PM | |
| 9:00 AM | 4:30 PM | |
| 10:00 AM | 5:30 PM | |
| 11:00 AM | 6:30 PM | |
| 12:00 PM | 7:30 PM | |
| 1:00 PM | 8:30 PM | |
| 2:00 PM | 9:30 PM | |
| 3:00 PM | 10:30 PM | |
| 4:00 PM | 11:30 PM | |
| 5:00 PM | 12:30 AM(next day) | Next day |
| 6:00 PM | 1:30 AM(next day) | Next day |
| 7:00 PM | 2:30 AM(next day) | Next day |
| 8:00 PM | 3:30 AM(next day) | Next day |
| 9:00 PM | 4:30 AM(next day) | Next day |
| 10:00 PM | 5:30 AM(next day) | Next day |
| 11:00 PM | 6:30 AM(next day) | Next day |
Daylight Saving Time (DST)
Philadelphia observes Daylight Saving Time, while Tehran does not. This causes the time difference to shift between 7.5 hours ahead and 8.5 hours ahead depending on the season. Currently, Philadelphia is 7.5 hours ahead relative to Tehran.
Min difference
7.5h
Max difference
8.5h
Best Meeting Times
There are 1 overlapping business hours between Philadelphia and Tehran (9 AM – 6 PM in each city).
🇺🇸 Philadelphia
9:00 AM – 10:00 AM
🇮🇷 Tehran
4:30 PM – 5:30 PM
Frequently Asked Questions
What is the time difference between Philadelphia and Tehran?
The time difference between Philadelphia and Tehran is currently 7.5 hours ahead. Philadelphia uses EDT (UTC-4), while Tehran uses GMT+3:30 (UTC+3:30). This difference varies seasonally due to Daylight Saving Time, ranging from 7.5 hours ahead to 8.5 hours ahead.
When it's noon in Philadelphia, what time is it in Tehran?
When it's 12:00 PM (noon) in Philadelphia, it is 7:30 PM in Tehran. Use our calculator above to convert any other time.
Does the time difference between Philadelphia and Tehran change?
Yes, the time difference changes throughout the year. Because Philadelphia observes Daylight Saving Time, the offset shifts between 7.5 hours ahead and 8.5 hours ahead at different times of the year.
What are the best times to schedule a call between Philadelphia and Tehran?
The best time to call is between 9:00 AM and 10:00 AM in Philadelphia (which is 4:30 PM – 5:30 PM in Tehran). This 1-hour window falls within business hours in both cities.
Is Philadelphia ahead or behind Tehran?
Philadelphia is currently 7.5 hours behind Tehran.
What time zone is Philadelphia in?
Philadelphia is in the America/New York time zone, currently using EDT (UTC-4). Philadelphia observes Daylight Saving Time, so the offset changes twice a year.
What time is midnight in Philadelphia in Tehran?
When it is midnight (12:00 AM) in Philadelphia, it is 7:30 AM in Tehran.