Time difference
Time difference between Tehran and Washington, D.C.
Find the best time to schedule a call or meeting.
Washington, D.C. is currently 7 hours 30 minutes behind Tehran.
Tehran • GMT+3:30
4:36 PM
Thursday, Jun 18
Washington, D.C. • EDT
9:06 AM
Thursday, Jun 18
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Best times to meet
The 9 AM – 5 PM business windows in both cities overlap for 0.5 hours. 4:30 PM–5 PM in Tehran is 9 AM–9:30 AM in Washington, D.C.. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.
Quick conversion table
| Tehran | Washington, D.C. |
|---|---|
| 8 AM | 12:30 AM |
| 12 PM | 4:30 AM |
| 3 PM | 7:30 AM |
| 5 PM | 9:30 AM |
| 9 PM | 1:30 PM |
Daylight saving
Heads up: the gap will widen to 8.5 hours around November 5, when one of the cities shifts for daylight saving. Double-check meeting times scheduled across that date.
Frequently asked questions
- How many hours ahead is Washington, D.C. than Tehran?
- Washington, D.C. is 7.5 hours behind Tehran.
- What time is 9 AM in Tehran in Washington, D.C.?
- 9:00 AM in Tehran is 1:30 AM in Washington, D.C..
- Do Tehran and Washington, D.C. observe daylight saving?
- Heads up: the gap will widen to 8.5 hours around November 5, when one of the cities shifts for daylight saving. Double-check meeting times scheduled across that date.
- When is the best time to call Washington, D.C. from Tehran?
- Aim for 4:30 PM–5 PM in Tehran, which is 9 AM–9:30 AM in Washington, D.C..