Tehran to Houston Time Difference
🇮🇷 Tehran is currently 8.5 hours behind of 🇺🇸 Houston. This difference varies between 9.5h and 8.5h due to Daylight Saving Time.
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Difference
-8.5h
Business overlap
None
Distance
11,950 km
Approx. flight
14.1h
Hour-by-Hour: Tehran to Houston
| 🇮🇷 Tehran | 🇺🇸 Houston | Note |
|---|---|---|
| 12:00 AM | 3:30 PM(prev day) | Previous day |
| 1:00 AM | 4:30 PM(prev day) | Previous day |
| 2:00 AM | 5:30 PM(prev day) | Previous day |
| 3:00 AM | 6:30 PM(prev day) | Previous day |
| 4:00 AM | 7:30 PM(prev day) | Previous day |
| 5:00 AM | 8:30 PM(prev day) | Previous day |
| 6:00 AM | 9:30 PM(prev day) | Previous day |
| 7:00 AM | 10:30 PM(prev day) | Previous day |
| 8:00 AM | 11:30 PM(prev day) | Previous day |
| 9:00 AM | 12:30 AM | |
| 10:00 AM | 1:30 AM | |
| 11:00 AM | 2:30 AM | |
| 12:00 PM | 3:30 AM | |
| 1:00 PM | 4:30 AM | |
| 2:00 PM | 5:30 AM | |
| 3:00 PM | 6:30 AM | |
| 4:00 PM | 7:30 AM | |
| 5:00 PM | 8:30 AM | |
| 6:00 PM | 9:30 AM | |
| 7:00 PM | 10:30 AM | |
| 8:00 PM | 11:30 AM | |
| 9:00 PM | 12:30 PM | |
| 10:00 PM | 1:30 PM | |
| 11:00 PM | 2:30 PM |
Daylight Saving Time (DST)
Houston observes Daylight Saving Time, while Tehran does not. This causes the time difference to shift between 9.5 hours behind and 8.5 hours behind depending on the season. Currently, Tehran is 8.5 hours behind relative to Houston.
Min difference
9.5h
Max difference
8.5h
Best Meeting Times
There is no overlap between standard business hours (9 AM – 6 PM) in Tehran and Houston. Consider scheduling early morning or late evening calls to bridge the gap.
Frequently Asked Questions
What is the time difference between Tehran and Houston?
The time difference between Tehran and Houston is currently 8.5 hours behind. Tehran uses GMT+3:30 (UTC+3:30), while Houston uses CDT (UTC-5). This difference varies seasonally due to Daylight Saving Time, ranging from 9.5 hours behind to 8.5 hours behind.
When it's noon in Tehran, what time is it in Houston?
When it's 12:00 PM (noon) in Tehran, it is 3:30 AM in Houston. Use our calculator above to convert any other time.
Does the time difference between Tehran and Houston change?
Yes, the time difference changes throughout the year. Because Houston observes Daylight Saving Time, the offset shifts between 9.5 hours behind and 8.5 hours behind at different times of the year.
What are the best times to schedule a call between Tehran and Houston?
There is no overlap between standard business hours (9 AM – 6 PM) in Tehran and Houston. Consider scheduling early morning in one city or late evening in the other to find a mutually reasonable time.
Is Tehran ahead or behind Houston?
Tehran is currently 8.5 hours ahead of Houston.
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 Houston?
When it is midnight (12:00 AM) in Tehran, it is 3:30 PM in Houston.