Time difference: Iran and United States
Iran is 7 hours 30 minutes ahead of United States. Midday in Iran lines up with 04:00 in United States.
Iran is in the Asia/Tehran timezone. United States is in America/New_York. The difference is 7.5 hours 30 minutes.
Business hours comparison
There is a 0.5-hour window each day where both Iran and United States are within standard business hours (09:00–17:00).
00:0006:0012:0018:0024:00
When to schedule across time zones
Both Iran and United States are in standard hours simultaneously for 0.5h per day.
16:00 Tehran / 08:00 New York⚡ One side off-hours
⚠️ 1h before working hours in New York
17:00 Tehran / 09:00 New York⚡ One side off-hours
⚠️ 1h after working hours in Tehran
15:00 Tehran / 07:00 New York⚡ One side off-hours
⚠️ 2h before working hours in New York
Based on standard 09:00–17:00 working hours in each location's local time.
Upcoming public holidays
Iran
No upcoming public holidays this year.
United States5 holidays
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
Nov 11Veterans Day
Nov 26Thanksgiving Day
Dec 25Christmas Day
How to work with Iran and United States time zones
Working across Iran (Iran) and United States (USA) involves a 7.5-hour gap. The good news: there is a 0.5-hour mutual window in standard business hours that lets both sides collaborate without anyone joining at an unreasonable hour.
💡 How to schedule across these time zones
⚡When Iran is at 16:00, United States reads 08:00 — 1h before working hours in New York.
⚡When Iran is at 17:00, United States reads 09:00 — 1h after working hours in Tehran.
⚡When Iran is at 15:00, United States reads 07:00 — 2h before working hours in New York.
DST transitions can silently shift your meeting times by an hour. The ClockinSync Chrome Extension tracks these changes automatically so you never get caught off guard.
Get the Extension — Free →Use the time slider above to find the exact equivalent time for any moment in Iran. The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.
