EST to IRT Time Converter

Convert Eastern Standard Time (EST) to Iran Standard Time (IRT). Both time zones are shown live below; current offset between them is 7h 30m ahead.

New York · Eastern Standard Time
10:10:05
Tuesday, May 12, 2026
EDT · UTC-04:00
Tehran · Iran Standard Time
17:40:05
Tuesday, May 12, 2026
GMT+3:30 · UTC+03:30

Convert a specific time

From: EST (New York)
To: IRT (Tehran)
--:--

Daylight Saving status right now

EST (Eastern Standard Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-11-01
Offset shift
UTC-04:00 → UTC-05:00
IRT (Iran Standard Time)
Observes DST
No

Heads up: EST observes DST while IRT does not. The 7.5-hour difference shown above will shift by one hour when EST starts or ends DST.

When can EST and IRT meet?

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01
02
03
04
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09
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EST
IRT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in New York (EST). Each row shows the local working-hours state in that zone for the same moment in time.
1 hour of overlap during standard 9am-5pm working hours.
Best meeting window: 09:00–09:00 EST (16:30–16:30 IRT).

Hour-by-hour EST to IRT conversion table

EST time (New York)IRT time (Tehran)Status
00:00 Tue07:30 TueOff-hours both sides
01:00 Tue08:30 TueOff-hours both sides
02:00 Tue09:30 TueIRT working
03:00 Tue10:30 TueIRT working
04:00 Tue11:30 TueIRT working
05:00 Tue12:30 TueIRT working
06:00 Tue13:30 TueIRT working
07:00 Tue14:30 TueIRT working
08:00 Tue15:30 TueIRT working
09:00 Tue16:30 TueBoth at work
10:00 Tue17:30 TueEST working
11:00 Tue18:30 TueEST working
12:00 Tue19:30 TueEST working
13:00 Tue20:30 TueEST working
14:00 Tue21:30 TueEST working
15:00 Tue22:30 TueEST working
16:00 Tue23:30 TueEST working
17:00 Tue00:30 WedOff-hours both sides
18:00 Tue01:30 WedOff-hours both sides
19:00 Tue02:30 WedOff-hours both sides
20:00 Tue03:30 WedOff-hours both sides
21:00 Tue04:30 WedOff-hours both sides
22:00 Tue05:30 WedOff-hours both sides
23:00 Tue06:30 WedOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Eastern Standard Time (EST)
IANA identifier
America/New_York
Current UTC offset
UTC-04:00
Current abbreviation
EDT
Major cities in this zone
New YorkMiamiAtlantaBostonPhiladelphia
Iran Standard Time (IRT)
IANA identifier
Asia/Tehran
Current UTC offset
UTC+03:30
Current abbreviation
GMT+3:30
Major cities in this zone
TehranIsfahan

Sun today in New York and Tehran

New York
Sunrise
05:43
Sunset
20:04
Solar noon
12:53
Daylight
14h 20m
Tehran
Sunrise
05:03
Sunset
19:00
Solar noon
12:02
Daylight
13h 57m

Related converters

IRT to EST (reverse)EST to PSTEST to GMTEST to UTCEST to CETEST to ISTPST to IRTGMT to IRTUTC to IRTCET to IRTIST to IRT
Looking for local time? See time in New York or time in Tehran.

Frequently asked questions

What is the time difference between EST and IRT right now?+
IRT (Iran Standard Time) is currently 7h 30m ahead EST (Eastern Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does EST or IRT observe daylight saving time?+
EST: observes daylight saving time. IRT: does not observe daylight saving time.
When is the best time to schedule a meeting between EST and IRT?+
The strongest overlap is 09:00–09:00 EST (16:30–16:30 IRT), giving 1 hour when both sides are within standard 9am-5pm working hours.
What time is it in Tehran when it is 12:00 noon in New York?+
When it is 12:00 Tue in New York (EST), it is 19:30 Tue in Tehran (IRT).
Which IANA time zone identifiers are used for EST and IRT?+
EST maps to "America/New_York" in the IANA database. IRT maps to "Asia/Tehran". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is New York ahead of or behind Tehran?+
Whether New York (EST) is ahead of or behind Tehran (IRT) depends on the current UTC offsets. Right now IRT is 7h 30m ahead EST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for EST and IRT?+
EST is UTC-04:00 (EDT) and IRT is UTC+03:30 (GMT+3:30). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both EST and IRT?+
Yes. There are 1 hour of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–09:00 EST.