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Country Flag - the United Kingdom A blue field with the red cross of Saint George (patron saint of England) edged in white superimposed on the diagonal red cross of Saint Patrick (patron saint of Ireland), which is superimposed on the diagonal white cross of Saint Andrew (patron saint of Scotland).

Cardiff

Wales, United Kingdom

4 Jan 2026

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Frequently Asked Questions

What is the current time in Cardiff, United Kingdom?

Cardiff operates on Greenwich Mean Time (GMT) during winter and British Summer Time (BST), which is GMT+1, during summer. To find the current time in Cardiff, add 0 hours to UTC during winter months and 1 hour during summer months.

Does Cardiff, United Kingdom observe Daylight Saving Time?

Yes, Cardiff and the rest of the United Kingdom observe Daylight Saving Time. The clocks go forward 1 hour to British Summer Time (BST, GMT+1) in late March and go back 1 hour to Greenwich Mean Time (GMT, UTC+0) in late October.

What is the time difference between Cardiff and major world cities?

London (GMT/BST): Cardiff is in the same time zone as London, so there is no time difference between the two cities.

New York (EST/EDT): Cardiff is 5 hours ahead of New York when NY is on EST (winter), and 4 hours ahead when NY is on EDT (summer).

Tokyo (JST): Cardiff is 9 hours behind Tokyo, as Japan Standard Time is UTC+9.

What are other major cities in United Kingdom?

The United Kingdom's major cities include London (the capital), Birmingham, Manchester, Glasgow, Liverpool, Leeds, Edinburgh, Bristol, and Belfast. Cardiff is the capital of Wales.

What is Cardiff, United Kingdom known for?

Cardiff is the capital of Wales and known for Cardiff Castle, the Millennium Stadium (now Principality Stadium), the National Museum Cardiff, vibrant waterfront area, and as a major cultural and sporting hub. The city has a rich industrial heritage and is now a modern capital city.