Clockjumper

Time difference

New York to Tehran Time Difference

Tehran is 7 hours and 30 minutes ahead of New York — when it's 12:00 PM in New York, it's 7:30 PM in Tehran. (New York (America/New_York, EDT); Tehran (Asia/Tehran, IRST).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.

Quick answer

Tehran is 7 hours and 30 minutes ahead of New York. The best window for a call is 9 AM–9:30 AM in New York, which is 4:30 PM–5 PM in Tehran — an overlap of 30 minutes inside 9 AM–5 PM on both sides. Clocks change on November 1, 2026, which briefly shifts the gap between New York and Tehran — the converter on this page always reflects the correct offset for the date you pick.

  • When it's 9:00 AM in New York, it's 4:30 PM in Tehran.
  • When it's 9:00 AM in Tehran, it's 1:30 AM in New York.

Tehran is currently 7 hours and 30 minutes ahead of New York.

New York • EDT
4:38 PM
Sunday, Aug 23
Tehran • IRST
12:08 AM
Monday, Aug 24

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Best times to meet

The 9 AM – 5 PM business windows in New York and Tehran overlap for 30 minutes. 9 AM–9:30 AM in New York is 4:30 PM–5 PM in Tehran. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.

Quick conversion table

New YorkTehran
12 AM7:30 AM
1 AM8:30 AM
2 AM9:30 AM
3 AM10:30 AM
4 AM11:30 AM
5 AM12:30 PM
6 AM1:30 PM
7 AM2:30 PM
8 AM3:30 PM
9 AM4:30 PM
10 AM5:30 PM
11 AM6:30 PM
12 PM7:30 PM
1 PM8:30 PM
2 PM9:30 PM
3 PM10:30 PM
4 PM11:30 PM
5 PM12:30 AM (next day)
6 PM1:30 AM (next day)
7 PM2:30 AM (next day)
8 PM3:30 AM (next day)
9 PM4:30 AM (next day)
10 PM5:30 AM (next day)
11 PM6:30 AM (next day)

Daylight saving

On November 1, 2026, New York shifts for daylight saving. After that, Tehran will be 8 hours and 30 minutes ahead of New York (currently 7 hours and 30 minutes ahead of New York). The converter and the tables above always reflect the correct offset for the date you pick.

  • New York is currently observing daylight saving time.
  • Tehran does not observe daylight saving time.

Frequently asked questions

Is Tehran ahead of or behind New York?
Tehran is 7 hours and 30 minutes ahead of New York.
How many hours ahead of New York is Tehran?
Tehran is 7 hours and 30 minutes ahead of New York.
What time is 9 AM in New York in Tehran?
9:00 AM in New York is 4:30 PM in Tehran.
What time is noon in New York in Tehran?
12:00 PM in New York is 7:30 PM in Tehran.
What time is 5 PM in New York in Tehran?
5:00 PM in New York is 12:30 AM the next day in Tehran. Useful for end-of-day handoffs between the two offices.
What time is 3 PM in New York in Tehran?
3:00 PM in New York is 10:30 PM in Tehran.
Is New York currently observing daylight saving time?
New York is currently observing daylight saving time (summer time).
Is Tehran currently observing daylight saving time?
Tehran does not observe daylight saving time — its UTC offset stays the same all year.
Do New York and Tehran observe daylight saving?
On November 1, 2026, New York shifts for daylight saving. After that, Tehran will be 8 hours and 30 minutes ahead of New York (currently 7 hours and 30 minutes ahead of New York). The converter and the tables above always reflect the correct offset for the date you pick.
When is the best time to call Tehran from New York?
Aim for 9 AM–9:30 AM in New York, which is 4:30 PM–5 PM in Tehran.
When is the best time to call New York from Tehran?
Aim for 4:30 PM–5 PM in Tehran, which is 9 AM–9:30 AM in New York.
New York (EDT) to Tehran (IRST) — how do I convert quickly?
Add 7 hours and 30 minutes to New York local time to get Tehran local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.

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