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GMT to CET converter
Greenwich Mean Time
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Central European Time
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Central European Time is 2 hours ahead of Greenwich Mean Time for most of the year, and 1 hour ahead of for part of it, because the two change their clocks on different dates (or only one of them changes at all).
When does the difference change?
In 2026:
- January 1 to March 28: Central European Time is 1 hour ahead of Greenwich Mean Time
- March 29 to October 24: Central European Time is 2 hours ahead of Greenwich Mean Time
- October 25 to December 31: Central European Time is 1 hour ahead of Greenwich Mean Time
Questions
What time is 9 AM GMT in CET?
For most of the year, 9 AM Greenwich Mean Time is 11 AM Central European Time. For part of the year it is 10 AM, because of daylight saving time.
How many hours ahead or behind is CET from GMT?
Central European Time is 2 hours ahead of Greenwich Mean Time for most of the year, and 1 hour ahead of for part of it, because the two change their clocks on different dates (or only one of them changes at all).
Does the GMT to CET difference change?
Yes. It changes 2 times in 2026 because of daylight saving time.
About these time zones
GMT to CET, hour by hour
| Greenwich Mean Time | Central European Time |
|---|---|
| 12 AM | 2 AM |
| 1 AM | 3 AM |
| 2 AM | 4 AM |
| 3 AM | 5 AM |
| 4 AM | 6 AM |
| 5 AM | 7 AM |
| 6 AM | 8 AM |
| 7 AM | 9 AM |
| 8 AM | 10 AM |
| 9 AM | 11 AM |
| 10 AM | 12 PM |
| 11 AM | 1 PM |
| 12 PM | 2 PM |
| 1 PM | 3 PM |
| 2 PM | 4 PM |
| 3 PM | 5 PM |
| 4 PM | 6 PM |
| 5 PM | 7 PM |
| 6 PM | 8 PM |
| 7 PM | 9 PM |
| 8 PM | 10 PM |
| 9 PM | 11 PM |
| 10 PM | 12 AM (next day) |
| 11 PM | 1 AM (next day) |
Based on the clocks on Monday, October 12, 2026. Use the converter above for another date.