Question 1

What is the time difference between CET and GMT?

Accepted Answer

Greenwich Mean Time (GMT) is 1 hour behind Central European Time (CET). Use the conversion table above to see the exact time for each hour.

Question 2

How do I convert CET to GMT?

Accepted Answer

To convert CET to GMT, subtract 1 hour from the CET time. For example, 9:00 AM CET is 8:00 AM GMT.

Question 3

What time is it in GMT when it's noon in CET?

Accepted Answer

When it's 12:00 PM (noon) in CET, it's 11:00 AM in GMT. GMT is 1 hour behind CET.

Question 4

How many hours behind is GMT from CET?

Accepted Answer

GMT is 1 hour behind CET. This means when it's 9:00 AM in CET, it's 8:00 AM in GMT.

Question 5

Is GMT ahead or behind CET?

Accepted Answer

GMT is behind CET by 1 hour. Clocks in GMT show an earlier time than CET.

Question 6

Does CET observe daylight saving time?

Accepted Answer

Yes, Central European Time observes daylight saving time. During DST, the abbreviation changes to CEST and clocks move forward by one hour.

Question 7

Does GMT observe daylight saving time?

Accepted Answer

Yes, Greenwich Mean Time observes daylight saving time. During DST, the abbreviation changes to BST and clocks move forward by one hour.

Question 8

What is the best time to call from CET to GMT?

Accepted Answer

The best time for a call between CET and GMT is during overlapping business hours (9 AM – 5 PM) in both timezones. Check the color-coded conversion table above — green hours indicate business hours in both zones.

Question 9

When does daylight saving time change in CET?

Accepted Answer

Daylight saving time transitions vary by year and region. Central European Time observes DST, which typically shifts clocks forward by one hour in spring and back in fall. During DST transitions, the time difference between CET and GMT may temporarily change. Check our DST change calendar for exact dates.

Question 10

Do CET and GMT ever have the same time?

Accepted Answer

No, CET and GMT are always 1 hour apart. Both timezones observe DST, so the difference remains consistent.

Central European Time (CET)	Period	Greenwich Mean Time (GMT)	Period
12:00 AM	Night	11:00 PM-1d	Evening
1:00 AM	Night	12:00 AM	Night
2:00 AM	Night	1:00 AM	Night
3:00 AM	Night	2:00 AM	Night
4:00 AM	Night	3:00 AM	Night
5:00 AM	Night	4:00 AM	Night
6:00 AM	Morning	5:00 AM	Night
7:00 AM	Morning	6:00 AM	Morning
8:00 AM	Morning	7:00 AM	Morning
9:00 AM	Business	8:00 AM	Morning
10:00 AM	Business	9:00 AM	Business
11:00 AM	Business	10:00 AM	Business
12:00 PM	Business	11:00 AM	Business
1:00 PM	Business	12:00 PM	Business
2:00 PM	Business	1:00 PM	Business
3:00 PM	Business	2:00 PM	Business
4:00 PM	Business	3:00 PM	Business
5:00 PM	Business	4:00 PM	Business
6:00 PM	Evening	5:00 PM	Business
7:00 PM	Evening	6:00 PM	Evening
8:00 PM	Evening	7:00 PM	Evening
9:00 PM	Evening	8:00 PM	Evening
10:00 PM	Evening	9:00 PM	Evening
11:00 PM	Evening	10:00 PM	Evening

CET to GMT Converter

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CET to GMT Conversion Table

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