London
Paris
Convert GMT to CET
Greenwich Mean Time to Central European Time — Paris is 1 hour ahead of London
Quick Facts
Time Difference
+1 hours
GMT Full Name
Greenwich Mean Time
CET Full Name
Central European Time
GMT to CET Conversion Table
Related Conversions
About GMT and CET Time Zones
GMT (Greenwich Mean Time) is UTC+0 and covers cities like London, Dublin, Lisbon. CET (Central European Time) is UTC+1 and covers cities like Paris, Berlin, Rome.
When it's 12:00 PM (noon) in London (GMT), it's 1:00 PM in Paris (CET). The time difference between GMT and CET is 1 hour — Paris is ahead of London.
With only a 1-hour difference, London and Paris share nearly a full business day overlap, making scheduling straightforward.
Daylight Saving Time
CET observes Daylight Saving Time and becomes CEST (Central European Summer Time) during summer months, shifting clocks forward by 1 hour to UTC+2.
During DST transitions, the time difference between GMT and CET may shift by ±1 hour. Always verify the current offset above for the most accurate conversion.
Use our world clock tool to compare London and Paris with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between GMT and CET?
Paris (CET) is 1 hour ahead of London (GMT). The offset is +1 hours.
Is CET ahead or behind GMT?
CET is 1 hour ahead of GMT. GMT is UTC+1 and CET is UTC+2.
When it's 12:00 PM in London, what time is it in Paris?
When it's 12:00 PM (noon) in London (GMT), it's 1:00 PM in Paris (CET).
When it's 5:00 PM in London, what time is it in Paris?
When it's 5:00 PM in London (GMT), it's 6:00 PM in Paris (CET).
Does CET change for Daylight Saving Time?
Yes. CET (Central European Time, UTC+1) becomes CEST (Central European Summer Time, UTC+2) in summer, shifting clocks forward 1 hour.