IRST to EST
Convert Iran Time — Tehran to Eastern Time — New York — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Tehran, it's 1:30 AM in New York. New York is 7½ hours behind Tehran. Use the converter above to turn any IRST time into EST, or scan the hour-by-hour table below for the full day.
IRST to EST at a glance
Planning a meeting between Tehran and New York
Planning a call between Tehran and New York? The best overlap during a standard 9-to-5 workday runs 4:30 PM–5:00 PM IRST (9:00 AM–9:30 AM EST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Tehran to New York
A full day mapped from IRST to EST.
Frequently asked
Is New York ahead of or behind Tehran?
New York is 7½ hours behind Tehran.
What is 12:00 PM IRST in EST?
12:00 PM in Tehran is 4:30 AM in New York.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so IRST and EST automatically reflect the correct daylight-saving offset for the current date.