Current Time in Cardiff
United Kingdom
Cardiff runs on official UK time, so there is nothing to convert - if you know the time in Cardiff, you know the time across the whole country.
Today in Cardiff
UK time (BST)
UK local time
UK local time
Sunrise to sunset
43% illuminated
Next change to GMT on Sunday, 25 October 2026
Cardiff today, at a glance
The sun rises in Cardiff at 05:05 and sets at 21:29 today, giving a day length of about 16h 24m. The UK is currently on BST (British Summer Time), with the next clock change to GMT due on Sunday, 25 October 2026. Tonight's moon is a last quarter, 43% illuminated. Sunrise, sunset and moon figures are calculated from Cardiff's coordinates using standard astronomical calculations, and update automatically each day.
Time difference from the UK
Cardiff keeps the same time as the rest of the UK - Greenwich Mean Time (GMT) in winter and British Summer Time (BST) in summer - so there is no time difference at all between Cardiff and the UK. Whatever the UK time is, that is the time in Cardiff.
Best time to call
Because Cardiff is on UK time, there is no need to plan around a time difference. Any time that suits you in the UK will match Cardiff exactly.
Good to know
- Cardiff and the rest of the UK move their clocks together, so the switch between GMT and BST never creates a gap between Cardiff and elsewhere in the country.
- Cardiff is the capital of Wales and shares the same clock-change dates as London, Edinburgh and every other UK city.
Frequently asked questions
What is the time difference between the UK and Cardiff?
There is none. Cardiff is in the UK, so its clock is always the same as UK time, whether that is GMT in winter or BST in summer.
Is Cardiff ahead of or behind London?
Neither - Cardiff keeps identical time to London and the rest of the UK all year round.