Toolman

Time difference between Dublin and Johannesburg

Johannesburg is 1 hour ahead of Dublin

Dublin, Ireland is UTC · Johannesburg, South Africa is UTC+2 — 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 Johannesburg does not change its clocks.

Dublin / Johannesburg clocksDifferenceHow long
summer / standard1 hour aheadabout 30 weeks
standard / standard2 hours aheadabout 22 weeks

Johannesburg stays put all year while Dublin moves, so a meeting fixed in Johannesburg'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 7 hours — 9:00 AM to 4:00 PM in Dublin, the same moment as 10:00 AM to 5:00 PM in Johannesburg.

Dublin to Johannesburg, hour by hour

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

On the usual gap of 1 hour.

Frequently asked questions

What is the time difference between Dublin and Johannesburg?

Johannesburg is 1 hour 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 Johannesburg does not change its clocks.

Is Johannesburg ahead of Dublin?

Yes — Johannesburg is 1 hour ahead. Dublin is UTC and Johannesburg is UTC+2 on standard time.

What time is 9 AM in Dublin in Johannesburg?

10:00 AM, on the usual gap.

When can Dublin and Johannesburg meet?

Standard nine-to-five hours overlap for 7 hours: 9:00 AM–4:00 PM in Dublin, which is 10:00 AM–5:00 PM in Johannesburg.

Other pairs

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