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