IRST to EST Time Converter

Convert Irish Standard Time (IRST) to Eastern Standard Time (EST). Both time zones are shown live below; current offset between them is 5 hours behind.

Dublin · Irish Standard Time
10:17:44
Wednesday, May 13, 2026
GMT+1 · UTC+01:00
New York · Eastern Standard Time
05:17:44
Wednesday, May 13, 2026
EDT · UTC-04:00

Convert a specific time

From: IRST (Dublin)
To: EST (New York)
--:--

Daylight Saving status right now

IRST (Irish Standard Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-10-25
Offset shift
UTC+01:00 → UTC+00:00
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

When can IRST and EST meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
IRST
EST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Dublin (IRST). Each row shows the local working-hours state in that zone for the same moment in time.
3 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 14:00–16:00 IRST (09:00–11:00 EST).

Hour-by-hour IRST to EST conversion table

IRST time (Dublin)EST time (New York)Status
00:00 Wed19:00 TueOff-hours both sides
01:00 Wed20:00 TueOff-hours both sides
02:00 Wed21:00 TueOff-hours both sides
03:00 Wed22:00 TueOff-hours both sides
04:00 Wed23:00 TueOff-hours both sides
05:00 Wed00:00 WedOff-hours both sides
06:00 Wed01:00 WedOff-hours both sides
07:00 Wed02:00 WedOff-hours both sides
08:00 Wed03:00 WedOff-hours both sides
09:00 Wed04:00 WedIRST working
10:00 Wed05:00 WedIRST working
11:00 Wed06:00 WedIRST working
12:00 Wed07:00 WedIRST working
13:00 Wed08:00 WedIRST working
14:00 Wed09:00 WedBoth at work
15:00 Wed10:00 WedBoth at work
16:00 Wed11:00 WedBoth at work
17:00 Wed12:00 WedEST working
18:00 Wed13:00 WedEST working
19:00 Wed14:00 WedEST working
20:00 Wed15:00 WedEST working
21:00 Wed16:00 WedEST working
22:00 Wed17:00 WedOff-hours both sides
23:00 Wed18:00 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

Irish Standard Time (IRST)
IANA identifier
Europe/Dublin
Current UTC offset
UTC+01:00
Current abbreviation
GMT+1
Major cities in this zone
Dublin
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

Sun today in Dublin and New York

New York
Sunrise
05:42
Sunset
20:05
Solar noon
12:53
Daylight
14h 22m

Related converters

EST to IRST (reverse)IRST to PSTIRST to GMTIRST to UTCIRST to CETIRST to ISTPST to ESTGMT to ESTUTC to ESTCET to ESTIST to EST
Looking for local time? See time in Dublin or time in New York.

Frequently asked questions

What is the time difference between IRST and EST right now?+
EST (Eastern Standard Time) is currently 5 hours behind IRST (Irish Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does IRST or EST observe daylight saving time?+
IRST: observes daylight saving time. EST: observes daylight saving time.
When is the best time to schedule a meeting between IRST and EST?+
The strongest overlap is 14:00–16:00 IRST (09:00–11:00 EST), giving 3 hours when both sides are within standard 9am-5pm working hours.
What time is it in New York when it is 12:00 noon in Dublin?+
When it is 12:00 Wed in Dublin (IRST), it is 07:00 Wed in New York (EST).
Which IANA time zone identifiers are used for IRST and EST?+
IRST maps to "Europe/Dublin" in the IANA database. EST maps to "America/New_York". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Dublin ahead of or behind New York?+
Whether Dublin (IRST) is ahead of or behind New York (EST) depends on the current UTC offsets. Right now EST is 5 hours behind IRST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for IRST and EST?+
IRST is UTC+01:00 (GMT+1) and EST is UTC-04:00 (EDT). 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 IRST and EST?+
Yes. There are 3 hours of overlap during standard 9am-5pm working hours, with the strongest window at 14:00–16:00 IRST.