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Time difference between Dublin and Perth

Perth is 7 hours ahead of Dublin

Dublin, Ireland is UTC · Perth, Australia is UTC+8 — on standard time

The gap is not the same all year

Every converter gives one number for this pair. That number is right for most of the year and wrong for part of it, because Dublin goes forward on the last Sunday in March and back on the last Sunday in October and Perth does not change its clocks.

Dublin / Perth clocksDifferenceHow long
summer / standard7 hours aheadabout 30 weeks
standard / standard8 hours aheadabout 22 weeks

Perth stays put all year while Dublin moves, so a meeting fixed in Perth's calendar shifts by an hour twice a year at Dublin's end.

When they can both be at their desks

Nine-to-five in both cities overlaps for 1 hour — 9:00 AM to 10:00 AM in Dublin, the same moment as 4:00 PM to 5:00 PM in Perth.

Dublin to Perth, hour by hour

DublinPerth
12:00 AM7:00 AM
1:00 AM8:00 AM
2:00 AM9:00 AM
3:00 AM10:00 AM
4:00 AM11:00 AM
5:00 AM12:00 PM
6:00 AM1:00 PM
7:00 AM2:00 PM
8:00 AM3:00 PM
9:00 AM4:00 PM
10:00 AM5:00 PM
11:00 AM6:00 PM
12:00 PM7:00 PM
1:00 PM8:00 PM
2:00 PM9:00 PM
3:00 PM10:00 PM
4:00 PM11:00 PM
5:00 PM12:00 AM (next day)
6:00 PM1:00 AM (next day)
7:00 PM2:00 AM (next day)
8:00 PM3:00 AM (next day)
9:00 PM4:00 AM (next day)
10:00 PM5:00 AM (next day)
11:00 PM6:00 AM (next day)

On the usual gap of 7 hours.

Frequently asked questions

What is the time difference between Dublin and Perth?

Perth is 7 hours ahead of Dublin for most of the year. It is not the same all year — there is one other gap, because Dublin goes forward on the last Sunday in March and back on the last Sunday in October and Perth does not change its clocks.

Is Perth ahead of Dublin?

Yes — Perth is 7 hours ahead. Dublin is UTC and Perth is UTC+8 on standard time.

What time is 9 AM in Dublin in Perth?

4:00 PM, on the usual gap.

When can Dublin and Perth meet?

Standard nine-to-five hours overlap for 1 hour: 9:00 AM–10:00 AM in Dublin, which is 4:00 PM–5:00 PM in Perth.

Other pairs

Every Dublin pair · Every Perth pair · All city pairs · Time zones by abbreviation