Portmarnock to Cape Town: time difference
Cape Town is 1 h ahead of Portmarnock. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇿🇦 Cape Town, South Africa
17
- South Africa Standard Time
- UTC+2
- Night
☀️ 06:03 · 🌙 19:01 · 12 h 58 min
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Portmarnock 19:12 7:12 PM Cape Town 20:12 8:12 PM You –:–
19:12 7:12 PM
Irish Standard Time · UTC+1
☀️ 07:55 · 🌙 18:26
20:12 8:12 PM
South Africa Standard Time · UTC+2
☀️ 06:03 · 🌙 19:01
·
+1 h
Cape Town is 1 h ahead of Portmarnock.
When you, Portmarnock and Cape Town are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇮🇪 Portmarnock
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇿🇦 Cape Town
1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇮🇪 Portmarnock | 🇿🇦 Cape Town |
|---|---|---|
| Local time | 19:12 | 20:12 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Irish Standard Time | South Africa Standard Time |
| UTC offset | UTC+1 | UTC+2 |
| Offset from Portmarnock | — | +1 h |
| IANA zone | Europe/Dublin | Africa/Johannesburg |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:55 | 06:03 |
| Sunset | 18:26 | 19:01 |
| Daylight | 10 h 31 min | 12 h 58 min |
| People on this clock | 9,285 | 3,740,026 |
Compare Portmarnock with another city
More comparisons with Portmarnock: the time zones next to it and the far side of the clock.
Big time differences
Portmarnock and Cape Town: common questions
How many hours ahead of Portmarnock is Cape Town?
The clocks in Cape Town are 1 hour ahead of those in Portmarnock (UTC+2 and UTC+1).
If it is 9:00 AM in Portmarnock, what time is it in Cape Town?
At 9:00 AM in Portmarnock, clocks in Cape Town show 10:00 AM.
What time is it in Cape Town when it is 6:00 PM in Portmarnock?
When it is 6:00 PM in Portmarnock, it is 7:00 PM in Cape Town.
When do working hours in Portmarnock and in Cape Town overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Portmarnock, which is 10:00 AM to 6:00 PM in Cape Town.
When does the date change in Cape Town compared with Portmarnock?
The new day starts in Cape Town earlier: at 11:00 PM in Portmarnock it is already midnight there. Until 1:00 AM in Cape Town, Portmarnock is still on the previous day.
Does the time difference between Portmarnock and Cape Town change?
Yes. The clocks change only in Portmarnock. From October 25, 2026, Cape Town will be 2 hours ahead of Portmarnock.
