Time difference

Time Difference Between Washington and Tehran

Tehran is 7 hours 30 minutes ahead of Washington. The current difference is 7 hours 30 minutes. Live local clocks, working-hours overlap and daylight-saving notes are below.

01 — Right now

Current local time

WashingtonUnited States 🇺🇸

--:--:--

—

America/New_YorkUTC−4
TehranIran 🇮🇷

--:--:--

—

Asia/TehranUTC+3:30
02 — Difference

Washington vs Tehran

Tehran is 7 hours 30 minutes ahead of Washington. When it is 12:00 in Washington, it is 19:30 in Tehran.

03 — UTC offsets

UTC offset comparison

Washington
UTC−4
Tehran
UTC+3:30
Difference
7 hours 30 minutes
04 — Scheduling

Working-hours overlap

The best overlap between Washington and Tehran working hours (09:00–17:00) is 16:30–17:00 Tehran time — that's 09:00–09:30 in Washington — about 30 minutes of shared time.

Event planner

05 — Daylight saving

Does the difference change during the year?

Washington observes daylight saving time while Tehran does not, so the difference shifts during part of the year.

06 — Quick facts

At a glance

Time difference
7 hours 30 minutes
Washington zone
America/New_York
Tehran zone
Asia/Tehran
Washington offset
UTC−4
Tehran offset
UTC+3:30
Washington DST
Yes
Tehran DST
No
Countries
United States · Iran
07 — Explore
08 — FAQ

Frequently asked

What is the time difference between Washington and Tehran?

Tehran is 7 hours 30 minutes ahead of Washington right now.

Is Washington ahead of Tehran?

No, Washington is 7 hours 30 minutes behind Tehran.

Do Washington and Tehran observe daylight saving time?

Washington observes daylight saving time while Tehran does not, so the difference shifts during part of the year.

What is the best meeting time between Washington and Tehran?

A good window is 16:30–17:00 in Tehran (09:00–09:30 in Washington), based on 09:00–17:00 working hours.