The short answer

3pm in San Juan is 8pm in Irish Standard Time.

San Juan is 5 hours behind Irish Standard Time. That's already evening in Irish Standard Time, after the typical working day ends.

San Juan
3pm
Irish Standard Time
8pm
Right now
11:57pmAST · UTC-04:00 · Tue, Jun 23
4:57amIST · UTC+01:00 · Wed, Jun 24
Read across to convert
San Juan
AST · UTC-04:00
11:57pm ☾
Irish Standard Time
IST · UTC+01:00
4:57am ☾
Pinned3pmSan Juan=8pmIrish Standard Time
12amTue
5am
1am
6am
2am
7am
3am
8am
4am
9am
WORK
5am
10am
WORK
6am
11am
WORK
7am
12pm
WORK
8am
1pm
WORK
9am
WORK
2pm
WORK
10am
WORK
3pm
WORK
11am
WORK
4pm
WORK
12pm
WORK
5pm
1pm
WORK
6pm
2pm
WORK
7pm
PINNED
3pm
WORK
8pm
4pm
WORK
9pm
5pm
10pm
6pm
11pm
7pm
12amWed ·+1d
8pm
1amWed ·+1d
9pm
2amWed ·+1d
10pm
3amWed ·+1d
NOW
11pm
4amWed ·+1d
daylightnightworking hoursoverlap
Best time to meet
Best for a call
San Juan
9am–12pm
=
Irish Standard Time
2pm–5pm
Popular conversions

Quick reference.

9amSan Juan=2pmIrish Standard Time
12pmSan Juan=5pmIrish Standard Time
3pmSan Juan=8pmIrish Standard Time
5pmSan Juan=10pmIrish Standard Time
9pmSan Juan=2amIrish Standard Time · next day
In context

What each side covers.

San Juan
AST · UTC-04:00
11:57pm

Puerto Rico

Irish Standard Time
IST · UTC+01:00
4:57am
Cities on this clock

Frequently asked

Quick answers about converting between San Juan and Irish Standard Time. Can't find what you need? Email [email protected].

What is the time difference between San Juan and Irish Standard Time?
San Juan is 5 hours behind Irish Standard Time right now. We always show the live, daylight-saving-correct difference, so this figure already accounts for whichever side is observing summer time today.
When it's 3pm in San Juan, what time is it in Irish Standard Time?
3pm in San Juan is 8pm in Irish Standard Time. That's already evening in Irish Standard Time, after the typical working day ends. Use the hour-by-hour table above to read any other time across.
What's the best time for a call between San Juan and Irish Standard Time?
9am–12pm in San Juan lines up with 2pm–5pm in Irish Standard Time — both sides are inside a 9-to-5 working day.
Does this account for daylight saving time?
Yes. We track every clock change in both places, so the abbreviations you see — AST and IST — are the ones actually in effect right now, not a fixed all-year value. When either side changes its clocks, this page updates automatically.
Why is the date sometimes different on each side?
When two places are far enough apart, the same moment can fall on different calendar days. That is why some conversions are marked "previous day" or "next day" — it is the same instant in time, read off two clocks that crossed midnight at different points.