Cardiff to London Time Converter
Same timezone
Quick converter
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FROM
Cardiff
United Kingdom
UTC+01:00
TO
London
United Kingdom
UTC+01:00
Date-aware conversion
Convert a specific date and time
Result
Mon, Jun 15, 2026 06:13
Cardiff: Monday, June 15, 2026 6:13 AM GMT+1 to London: Monday, June 15, 2026 6:13 AM GMT+1.
Same UTC offset on this date
24-Hour Comparison
Every hour in Cardiff and the corresponding time in London. Green rows indicate business hours in London.
Time zones
Cardiff uses Europe/London (GMT+1) and London uses Europe/London (GMT+1). The difference can shift during daylight saving changes, so checking the exact date matters.
Best use
Use the green rows to spot normal working hours in London. For teams across more cities, open the meeting planner and compare up to five locations.
Plan a meetingMeeting guidance
Best time for Cardiff and London
The easiest overlap starts around 9:00 AM and runs through 5:00 PM in the source city, while the destination city is also inside normal working hours. For important calls, check the meeting date because the offset can change when either location enters or leaves daylight saving time.
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City context
About these cities
About Cardiff
Cardiff is located in United Kingdom (Europe). It uses the Europe/London timezone with a standard offset of UTC+01:00. It observes DST, switching between GMT and BST. See the full Cardiff time page for live clock and planning details.
About London
London is located in United Kingdom (Europe). It uses the Europe/London timezone with a standard offset of UTC+01:00. It observes DST, switching between GMT and BST. See the full London time page for live clock and planning details.
Frequently Asked Questions
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