Convert GMT to CET — Time Difference Between Greenwich Mean Time and Central European Time
Drag the slider or click the time display to type a specific hour and instantly convert GMT to CET — Central European Time is 1 hours ahead of Greenwich Mean Time. Scroll down to browse the full GMT to CET conversion table, check what time 9 AM, 10 AM, 11 AM, or 12 PM in Reykjavik is in Vienna, and use the date picker to compare times on any day for accurate scheduling.
GMT
Greenwich Mean Time
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CET
Central European Time
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GMT to CET Time Zone Difference — Hour-by-Hour Conversion Table
Scan each row to find what time any hour in Reykjavik is in Vienna — tap the arrows to jump between days, click "Today" to reset, and use the color-coded bands to quickly spot overlapping work hours, early mornings, and late nights at a glance.
| GMT (Reykjavik) | CET (Vienna) |
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How to Convert GMT to CET
Drag the slider on the GMT timeline to pick your time — the CET time updates instantly. You can also click the time display to type a specific hour or pick one from the 15-minute interval dropdown, and use the date picker to check a different day.
What Is the Time Difference Between GMT and CET?
Central European Time (CET) is 1 hour ahead of Greenwich Mean Time (GMT). To convert, add 1 hour — for example, 9:00 AM GMT is 10:00 AM CET.
What Time Is It Now in Reykjavik?
What Time Is It Now in Vienna?
GMT to CET Quick Reference
GMT to CET Meeting Planner
Use the color-coded table above to find overlapping work hours between Reykjavik and Vienna. Amber rows mark daytime hours — pick a slot that falls in amber on both sides for a meeting that works for everyone.
Why Trust This GMT to CET Converter?
Timezoney uses the IANA Time Zone Database — the same source that powers your phone and computer — so every conversion handles daylight saving transitions and half-hour offsets automatically.
Greenwich Mean Time
- Abbreviation
- GMT
- UTC Offset
- UTC+0:00
- City
- Reykjavik
- Country
- Iceland
Central European Time
- Abbreviation
- CET
- UTC Offset
- UTC+1:00
- City
- Vienna
- Country
- Austria