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CET to GMT — Greenwich Mean Time is 1 hour behind

Greenwich Mean Time (GMT) is 1 hour behind of Central European Time (CET) while both are on standard time. The gap stays the same throughout the year, which makes this one of the easier pairs to schedule against.

Standard time

1 hour behind

Applies while neither zone is on daylight saving — broadly November to March in the northern hemisphere.

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How the two zones line up

Central European Time sits at UTC+1 in winter and UTC+2 in summer. Greenwich Mean Time sits at UTC+0 and UTC+1 respectively. The difference between those two offsets is the number you add or subtract.

Daylight saving

The two working days overlap almost completely, so any normal meeting slot works for both sides.

Where this conversion gets used

  • Cross-border project calls
  • European market hours
  • logistics cut-offs
  • multi-country payroll deadlines

CET to GMT — every hour

Both columns are computed from the IANA database, so they follow the real transition dates.

CETGMT — standard
12:00 am11:00 pm (previous day)
1:00 am12:00 am
2:00 am1:00 am
3:00 am2:00 am
4:00 am3:00 am
5:00 am4:00 am
6:00 am5:00 am
7:00 am6:00 am
8:00 am7:00 am
9:00 am8:00 am
10:00 am9:00 am
11:00 am10:00 am
12:00 pm11:00 am
1:00 pm12:00 pm
2:00 pm1:00 pm
3:00 pm2:00 pm
4:00 pm3:00 pm
5:00 pm4:00 pm
6:00 pm5:00 pm
7:00 pm6:00 pm
8:00 pm7:00 pm
9:00 pm8:00 pm
10:00 pm9:00 pm
11:00 pm10:00 pm

Questions people ask

1 hour behind, and that does not change during the year.

Related conversions

CET to EETGMT to CETGMT to EETGMT to MST

All conversions →

Booking something recurring?

A fixed clock time drifts when either side changes its clocks. Our guides explain how to stop that happening.

Read the DST guidePlan a meeting