EST to IRST Time Converter

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

New York · Eastern Standard Time
12:11:18
Tuesday, May 12, 2026
EDT · UTC-04:00
Dublin · Irish Standard Time
17:11:18
Tuesday, May 12, 2026
GMT+1 · UTC+01:00

Convert a specific time

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

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
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

When can EST and IRST 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
EST
IRST
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.
3 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 09:00–11:00 EST (14:00–16:00 IRST).

Hour-by-hour EST to IRST conversion table

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

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

Sun today in New York and Dublin

New York
Sunrise
05:43
Sunset
20:04
Solar noon
12:53
Daylight
14h 20m

Related converters

IRST to EST (reverse)EST to PSTEST to GMTEST to UTCEST to CETEST to ISTPST to IRSTGMT to IRSTUTC to IRSTCET to IRSTIST to IRST
Looking for local time? See time in New York or time in Dublin.

Frequently asked questions

What is the time difference between EST and IRST right now?+
IRST (Irish Standard Time) is currently 5 hours 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 IRST observe daylight saving time?+
EST: observes daylight saving time. IRST: observes daylight saving time.
When is the best time to schedule a meeting between EST and IRST?+
The strongest overlap is 09:00–11:00 EST (14:00–16:00 IRST), giving 3 hours when both sides are within standard 9am-5pm working hours.
What time is it in Dublin when it is 12:00 noon in New York?+
When it is 12:00 Tue in New York (EST), it is 17:00 Tue in Dublin (IRST).
Which IANA time zone identifiers are used for EST and IRST?+
EST maps to "America/New_York" in the IANA database. IRST maps to "Europe/Dublin". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is New York ahead of or behind Dublin?+
Whether New York (EST) is ahead of or behind Dublin (IRST) depends on the current UTC offsets. Right now IRST is 5 hours 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 IRST?+
EST is UTC-04:00 (EDT) and IRST is UTC+01:00 (GMT+1). 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 IRST?+
Yes. There are 3 hours of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–11:00 EST.