CET to GMT Time Converter
Convert Central European Time to Greenwich Mean Time instantly.
Scroll the timeline to check any hour of the day.
Central European Time
CET
10:23
Greenwich Mean Time
GMT
9:23
CET and GMT are on daylight savings right now, shown as CEST and BST.
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How the CET to GMT time difference works
GMT is 1 hour behind CET. Central European Time (CET) is used across much of central and western Europe. Greenwich Mean Time (GMT) is the time zone of the United Kingdom and Ireland. For example, 9:00 AM CET is 8:00 AM GMT. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
1 hour
Daylight saving
Both observe
CET offset
UTC+1
GMT offset
UTC+0
CET to GMT conversion chart
| Central European Time (CET) | Greenwich Mean Time (GMT) |
|---|---|
| 12:00 AM | 11:00 PM -1 day |
| 1:00 AM | 12:00 AM |
| 2:00 AM | 1:00 AM |
| 3:00 AM | 2:00 AM |
| 4:00 AM | 3:00 AM |
| 5:00 AM | 4:00 AM |
| 6:00 AM | 5:00 AM |
| 7:00 AM | 6:00 AM |
| 8:00 AM | 7:00 AM |
| 9:00 AM | 8:00 AM |
| 10:00 AM | 9:00 AM |
| 11:00 AM | 10:00 AM |
| 12:00 PM | 11:00 AM |
| 1:00 PM | 12:00 PM |
| 2:00 PM | 1:00 PM |
| 3:00 PM | 2:00 PM |
| 4:00 PM | 3:00 PM |
| 5:00 PM | 4:00 PM |
| 6:00 PM | 5:00 PM |
| 7:00 PM | 6:00 PM |
| 8:00 PM | 7:00 PM |
| 9:00 PM | 8:00 PM |
| 10:00 PM | 9:00 PM |
| 11:00 PM | 10:00 PM |
Best time to meet
A standard 9 to 5 workday overlaps from 10:00 AM to 5:00 PM CET (9:00 AM to 4:00 PM GMT). Schedule inside that window to catch both coasts during business hours.
Cities in each time zone
Central European Time (CET)
ParisBerlinMadridRomeAmsterdamWarsaw
Greenwich Mean Time (GMT)
LondonDublinLisbonEdinburghManchester
CET to GMT questions
Is GMT ahead of or behind CET?
GMT is 1 hour behind CET. So 9:00 AM CET is 8:00 AM GMT, and 5:00 PM CET is 4:00 PM GMT.
What time is it in GMT when it is 12:00 PM CET?
When it is 12:00 PM (noon) CET in Central European Time, it is 11:00 AM GMT in Greenwich Mean Time.
How many hours difference is there between CET and GMT?
There is a 1 hour difference. Greenwich Mean Time (GMT) runs 1 hour behind Central European Time (CET).
Do CET and GMT observe daylight saving time?
Both Central European Time and Greenwich Mean Time observe daylight saving time on aligned dates, so the 1 hour difference between them holds all year.
What is the best time to schedule a meeting between CET and GMT?
A standard 9-to-5 workday overlaps from 10:00 AM to 5:00 PM CET (9:00 AM to 4:00 PM GMT). Scheduling inside that window keeps the call during business hours in both Central European Time and Greenwich Mean Time.
Which cities use CET and GMT?
Central European Time (CET) covers cities such as Paris, Berlin, Madrid, Rome, Amsterdam, Warsaw. Greenwich Mean Time (GMT) covers cities such as London, Dublin, Lisbon, Edinburgh, Manchester.