The short answer
Portugal and Irish Standard Time keep the same time.
Portugal☾
12:28:52am
WEST · UTC+01:00 · Sat, Jun 27
Irish Standard Time☾
12:28:52am
IST · UTC+01:00 · Sat, Jun 27
Read across to convert
Portugal
WEST · UTC+01:00
Irish Standard Time
IST · UTC+01:00
Click any row to pin that hour across both zones.
NOW
12amSat
12amSat
1am
1am
2am
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3am
3am
4am
4am
5am
5am
6am
6am
7am
7am
8am
8am
9am
WORK9am
WORK10am
WORK10am
WORK11am
WORK11am
WORK12pm
WORK12pm
WORK1pm
WORK1pm
WORK2pm
WORK2pm
WORK3pm
WORK3pm
WORK4pm
WORK4pm
WORK5pm
5pm
6pm
6pm
7pm
7pm
8pm
8pm
9pm
9pm
10pm
10pm
11pm
11pm
daylightnightworking hoursoverlap
Best time to meet=
Best for a call
Portugal
9am–5pm
Irish Standard Time
9am–5pm
Popular conversions
Quick reference.
9amPortugal=9amIrish Standard Time
12pmPortugal=12pmIrish Standard Time
3pmPortugal=3pmIrish Standard Time
5pmPortugal=5pmIrish Standard Time
9pmPortugal=9pmIrish Standard Time
In context
What each side covers.
Portugal
12:28amWEST · UTC+01:00
Irish Standard Time
12:28amIST · UTC+01:00
Cities on this clock
Related converters
Other popular pairs.
Pacific Time
4:28pm
India Standard Time
4:58am
Pacific Time to India12 hours 30 minutes behind
Eastern Standard Time
7:28pm
Central European Time
1:28am
Eastern Time to Central Europe6 hours behind
India Standard Time
4:58am
Eastern Standard Time
7:28pm
India to Eastern Time9 hours 30 minutes ahead
Greenwich Mean Time
12:28am
India Standard Time
4:58am
London to India4 hours 30 minutes behind
Pacific Standard Time
4:28pm
Eastern Standard Time
7:28pm
Pacific to Eastern Time3 hours behind
Central European Time
1:28am
India Standard Time
4:58am
Central Europe to India3 hours 30 minutes behind
Frequently asked
Quick answers about converting between Portugal and Irish Standard Time. Can't find what you need? Email [email protected].
- What is the time difference between Portugal and Irish Standard Time?
- Portugal and Irish Standard Time are currently on the same time, so there is no difference to convert.
- When it's 9am in Portugal, what time is it in Irish Standard Time?
- 9am in Portugal is 9am in Irish Standard Time. Use the hour-by-hour table above to read any other time across — find the row and read the matching cell in the other column.
- What's the best time for a call between Portugal and Irish Standard Time?
- 9am–5pm in Portugal lines up with 9am–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 — WEST 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.