Clockjumper

Timezone conversion

Tehran to EST Time — Convert Tehran to Eastern Standard Time (US)

EST is currently 7 hours and 30 minutes behind Tehran. The gap shifts across the year: around January EST is 8 hours and 30 minutes behind Tehran, and around July it is 7 hours and 30 minutes behind Tehran, because one or both zones observe daylight saving.

EST is currently 7 hours and 30 minutes behind Tehran.

Tehran • IRST (UTC+3:30)
6:01 PM
Thursday, Sep 10
EST • EDT (UTC-4)
10:31 AM
Thursday, Sep 10

Abbreviation disambiguation

On Clockjumper, EST refers to Eastern Standard Time in the United States (UTC−5). The US East Coast observes EST in winter and switches to EDT (UTC−4) during daylight saving time.

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Full Tehran to EST conversion table

TehranEST
12:00 AM4:30 PM(previous day)
1:00 AM5:30 PM(previous day)
2:00 AM6:30 PM(previous day)
3:00 AM7:30 PM(previous day)
4:00 AM8:30 PM(previous day)
5:00 AM9:30 PM(previous day)
6:00 AM10:30 PM(previous day)
7:00 AM11:30 PM(previous day)
8:00 AM12:30 AM
9:00 AM1:30 AM
10:00 AM2:30 AM
11:00 AM3:30 AM
12:00 PM4:30 AM
1:00 PM5:30 AM
2:00 PM6:30 AM
3:00 PM7:30 AM
4:00 PM8:30 AM
5:00 PM9:30 AM
6:00 PM10:30 AM
7:00 PM11:30 AM
8:00 PM12:30 PM
9:00 PM1:30 PM
10:00 PM2:30 PM
11:00 PM3:30 PM

Daylight saving and how the gap changes

Around January EST is 8 hours and 30 minutes behind Tehran. Around July it is 7 hours and 30 minutes behind Tehran. That swing comes from one or both zones observing daylight saving on different schedules — the converter above always reflects the correct offset for the date you pick.

Frequently asked questions

Is EST ahead of or behind Tehran right now?
EST is currently 7 hours and 30 minutes behind Tehran.
What is the current Tehran to EST time difference?
Right now the gap is 7 hours and 30 minutes — EST is 7 hours and 30 minutes behind Tehran.
Does the Tehran → EST offset change during the year?
Yes. Around January EST is 8 hours and 30 minutes behind Tehran; around July it is 7 hours and 30 minutes behind Tehran. The converter above always reflects the correct offset for the date you pick.
Does Tehran observe daylight saving time?
No — Tehran stays at a fixed UTC offset year-round.
Does EST observe daylight saving time?
EST is itself the standard-time form. Eastern Standard Time (US) is in force at UTC-5 through the winter months; outside that window the same zone is on EDT (UTC-4).
What time is 3 AM Tehran in EST?
3:00 AM Tehran is 7:30 PM (previous day) EST.
What time is 8 AM Tehran in EST?
8:00 AM Tehran is 12:30 AM EST.
What time is 9 AM Tehran in EST?
9:00 AM Tehran is 1:30 AM EST.
What time is 10 AM Tehran in EST?
10:00 AM Tehran is 2:30 AM EST.
What time is 11 AM Tehran in EST?
11:00 AM Tehran is 3:30 AM EST.
What time is 12 PM (noon) Tehran in EST?
12:00 PM Tehran is 4:30 AM EST.
What time is 2 PM Tehran in EST?
2:00 PM Tehran is 6:30 AM EST.
What time is 3 PM Tehran in EST?
3:00 PM Tehran is 7:30 AM EST.
What time is 4 PM Tehran in EST?
4:00 PM Tehran is 8:30 AM EST.
What time is 5 PM Tehran in EST?
5:00 PM Tehran is 9:30 AM EST.
What time is 9 PM Tehran in EST?
9:00 PM Tehran is 1:30 PM EST.
What time is 10 PM Tehran in EST?
10:00 PM Tehran is 2:30 PM EST.
When is the best time to schedule a call between Tehran and EST?
The working-hours overlap (09:00–17:00 in both zones) runs roughly 4:30 PM – 5:00 PM Tehran (≈ 30 minutes). The midpoint of that window — 4:45 PM Tehran, 9:15 AM EST — is the safest single slot to propose for a live call.
What time zone does Tehran refer to?
Tehran uses the Asia/Tehran time zone.
What time zone does EST refer to?
EST refers to Eastern Standard Time (US) (IANA: America/New_York).
Is EST on this page the same as other zones that share the letters "EST"?
On Clockjumper, EST refers to Eastern Standard Time in the United States (UTC−5). The US East Coast observes EST in winter and switches to EDT (UTC−4) during daylight saving time.

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