Portsmouth to Cape Town: time difference
Cape Town is 1 h ahead of Portsmouth. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Portsmouth 00:45 12:45 AM Cape Town 01:45 1:45 AM You –:–
00:45 12:45 AM
British Summer Time · UTC+1
☀️ 07:31 · 🌙 18:10
01:45 1:45 AM
South Africa Standard Time · UTC+2
☀️ 06:02 · 🌙 19:02
·
+1 h
Cape Town is 1 h ahead of Portsmouth.
When you, Portsmouth 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
🇬🇧 Portsmouth
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 | 🇬🇧 Portsmouth | 🇿🇦 Cape Town |
|---|---|---|
| Local time | 00:45 | 01:45 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | British Summer Time | South Africa Standard Time |
| UTC offset | UTC+1 | UTC+2 |
| Offset from Portsmouth | — | +1 h |
| IANA zone | Europe/London | Africa/Johannesburg |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:31 | 06:02 |
| Sunset | 18:10 | 19:02 |
| Daylight | 10 h 39 min | 13 h |
| People on this clock | 198,974 | 3,740,026 |
Compare Portsmouth with another city
More comparisons with Portsmouth: the time zones next to it and the far side of the clock.
Big time differences
Portsmouth and Cape Town: common questions
How many hours ahead of Portsmouth is Cape Town?
The clocks in Cape Town are 1 hour ahead of those in Portsmouth (UTC+2 and UTC+1).
What time is it in Cape Town at the start of the working day in Portsmouth?
The working day in Portsmouth starts at 9:00 AM; in Cape Town it is 10:00 AM at that moment.
What time is it in Cape Town when it is 6:00 PM in Portsmouth?
When it is 6:00 PM in Portsmouth, it is 7:00 PM in Cape Town.
Is there a time when both Portsmouth and Cape Town are at work?
Yes: from 9:00 AM to 5:00 PM in Portsmouth (10:00 AM to 6:00 PM in Cape Town), the working days (9:00 AM–6:00 PM) overlap.
From what time in Portsmouth is it tomorrow in Cape Town?
Once it is 11:00 PM in Portsmouth, the date in Cape Town has already changed. Until 1:00 AM in Cape Town, it is still the previous day in Portsmouth.
Does the time difference between Portsmouth and Cape Town change?
Yes. The clocks change only in Portsmouth. From October 25, 2026, Cape Town will be 2 hours ahead of Portsmouth.
