PET to IRST Time Converter

Convert Peru Time (PET) to Irish Standard Time (IRST). Both time zones are shown live below; current offset between them is 6 hours ahead.

Lima · Peru Time
17:29:07
Saturday, May 23, 2026
GMT-5 · UTC-05:00
Dublin · Irish Standard Time
23:29:07
Saturday, May 23, 2026
GMT+1 · UTC+01:00

Convert a specific time

From: PET (Lima)
To: IRST (Dublin)
--:--

Daylight Saving status right now

PET (Peru Time)
Observes DST
No
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

Heads up: IRST observes DST while PET does not. The 6-hour difference shown above will shift by one hour when IRST starts or ends DST.

When can PET and IRST meet?

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PET
IRST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Lima (PET). Each row shows the local working-hours state in that zone for the same moment in time.
2 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 09:00–10:00 PET (15:00–16:00 IRST).

Hour-by-hour PET to IRST conversion table

PET time (Lima)IRST time (Dublin)Status
00:00 Sat06:00 SatOff-hours both sides
01:00 Sat07:00 SatOff-hours both sides
02:00 Sat08:00 SatOff-hours both sides
03:00 Sat09:00 SatIRST working
04:00 Sat10:00 SatIRST working
05:00 Sat11:00 SatIRST working
06:00 Sat12:00 SatIRST working
07:00 Sat13:00 SatIRST working
08:00 Sat14:00 SatIRST working
09:00 Sat15:00 SatBoth at work
10:00 Sat16:00 SatBoth at work
11:00 Sat17:00 SatPET working
12:00 Sat18:00 SatPET working
13:00 Sat19:00 SatPET working
14:00 Sat20:00 SatPET working
15:00 Sat21:00 SatPET working
16:00 Sat22:00 SatPET working
17:00 Sat23:00 SatOff-hours both sides
18:00 Sat00:00 SunOff-hours both sides
19:00 Sat01:00 SunOff-hours both sides
20:00 Sat02:00 SunOff-hours both sides
21:00 Sat03:00 SunOff-hours both sides
22:00 Sat04:00 SunOff-hours both sides
23:00 Sat05:00 SunOff-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

Peru Time (PET)
IANA identifier
America/Lima
Current UTC offset
UTC-05:00
Current abbreviation
GMT-5
Major cities in this zone
Lima
Irish Standard Time (IRST)
IANA identifier
Europe/Dublin
Current UTC offset
UTC+01:00
Current abbreviation
GMT+1
Major cities in this zone
Dublin

Related converters

IRST to PET (reverse)PET to ESTPET to PSTPET to GMTPET to UTCPET to CETEST to IRSTPST to IRSTGMT to IRSTUTC to IRSTCET to IRST
Looking for local time? See time in Lima or time in Dublin.

Frequently asked questions

What is the time difference between PET and IRST right now?+
IRST (Irish Standard Time) is currently 6 hours ahead PET (Peru Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does PET or IRST observe daylight saving time?+
PET: does not observe daylight saving time. IRST: observes daylight saving time.
When is the best time to schedule a meeting between PET and IRST?+
The strongest overlap is 09:00–10:00 PET (15:00–16:00 IRST), giving 2 hours when both sides are within standard 9am-5pm working hours.
What time is it in Dublin when it is 12:00 noon in Lima?+
When it is 12:00 Sat in Lima (PET), it is 18:00 Sat in Dublin (IRST).
Which IANA time zone identifiers are used for PET and IRST?+
PET maps to "America/Lima" 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 Lima ahead of or behind Dublin?+
Whether Lima (PET) is ahead of or behind Dublin (IRST) depends on the current UTC offsets. Right now IRST is 6 hours ahead PET. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for PET and IRST?+
PET is UTC-05:00 (GMT-5) 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 PET and IRST?+
Yes. There are 2 hours of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–10:00 PET.