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GMT to CET Time Converter

Use this GMT to CET time converter to compare United Kingdom and Central Europe time instantly. CET is 1 hour ahead of GMT, so 9:00 AM GMT becomes 10:00 AM CET and 5:00 PM GMT becomes 6:00 PM CET. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.

GMT Greenwich Mean Time
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CET Central European Time
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Select a time to convert

GMT to CET Quick Facts

Use this GMT to CET converter to compare United Kingdom and Central Europe time, check the 1 hour gap, and confirm the right slot for calls, handoffs, and deadlines. Good overlap starts around 9:00 AM GMT / 10:00 AM CET.

Time Difference
Central European Time is 1 hour ahead of Greenwich Mean Time
Useful when deadlines, handoffs, or calls cross workday boundaries.
Best Call Window
Best overlap starts around 9:00 AM GMT and 10:00 AM CET.
Common Use Cases
Useful for remote teams, customer support windows, travel planning, webinars, and same-day deadline handoffs.

How to Convert GMT to CET

Converting between Greenwich Mean Time and Central European Time means accounting for a 1 hour gap — here's how to do it in under 10 seconds with no sign-up.

Enter Your GMT Time

Pick the date and time in Greenwich Mean Time (UTC +0) that you want to convert. Hit "Now" to load the current GMT time instantly, or use "+1h" to step forward and compare.

Read the CET Result

The equivalent Central European Time (UTC +1) time appears immediately. Since CET is 1 hour ahead of GMT, most daytime conversions stay on the same calendar day.

Copy or Fine-Tune

Click "Copy Time" to grab the CET result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — useful when Daylight Saving Time changes the gap.

Why Choose Our GMT to CET Converter

Align GMT–CET Meetings Instantly

When someone in Universal suggests 9:00 AM GMT, that's 10:00 AM CET. This converter shows the overlap so both sides agree on one slot — no back-and-forth.

Spot Date-Line Shifts at a Glance

Late-night GMT times can land on a different date in CET because of the 1 hour offset. The converter labels "next day" or "previous day" next to the result so you never send a message a day early or miss a deadline.

Handles DST Transitions Automatically

Daylight Saving adjustments can widen or narrow the GMT–CET gap by an hour. During transition weeks many people get it wrong. This converter pulls the current UTC offsets automatically, so the result is right even on the changeover day.

Never Miss a GMT-Timed Event

Product launches, sports matches, and webinars are often announced in GMT. Convert the event time to CET so you know exactly when to tune in — with a 1 hour difference, a morning event in Universal falls during work hours in Central Europe.

GMT to CET Time Conversion Chart

Quick-reference conversion table covering every hour of the day at a glance.

Complete 24-Hour Conversion

Greenwich Mean Time to Central European Time full day schedule

12:00 AM
GMT
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1:00 AM
CET
1:00 AM
GMT
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2:00 AM
CET
2:00 AM
GMT
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3:00 AM
CET
3:00 AM
GMT
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4:00 AM
CET
4:00 AM
GMT
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5:00 AM
CET
5:00 AM
GMT
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6:00 AM
CET
6:00 AM
GMT
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7:00 AM
CET
7:00 AM
GMT
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8:00 AM
CET
8:00 AM
GMT
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9:00 AM
CET
9:00 AM
GMT
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10:00 AM
CET
10:00 AM
GMT
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11:00 AM
CET
11:00 AM
GMT
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12:00 PM
CET
12:00 PM
GMT
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1:00 PM
CET
1:00 PM
GMT
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2:00 PM
CET
2:00 PM
GMT
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3:00 PM
CET
3:00 PM
GMT
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4:00 PM
CET
4:00 PM
GMT
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5:00 PM
CET
5:00 PM
GMT
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6:00 PM
CET
6:00 PM
GMT
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7:00 PM
CET
7:00 PM
GMT
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8:00 PM
CET
8:00 PM
GMT
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9:00 PM
CET
9:00 PM
GMT
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10:00 PM
CET
10:00 PM
GMT
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11:00 PM
CET
11:00 PM
GMT
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12:00 AM
CET
(next day)
The two zones in context

GMT vs CET — cities and working rhythm

GMT — Greenwich Mean Time
Primary cities: London, Dublin, Lisbon, Accra, Reykjavík

UK / Ireland / Iceland / Portugal / West Africa. Business hours 9 AM – 5:30 PM GMT typically. Note: London is on GMT in winter, BST (GMT+1) in summer — but "GMT" gets used loosely all year in scheduling contexts. Financial-services London anchors the European trading day.

CET — Central European Time
Primary cities: Paris, Berlin, Amsterdam, Madrid, Rome, Warsaw, Stockholm

Most of continental Europe — DACH, Benelux, France, Iberia, Nordics (except Finland), Poland, Czech Republic. Business hours 9 AM – 5:30 PM CET, with a longer lunch (12:30 – 2 PM) in southern countries. Winter: CET (UTC+1); summer: CEST (UTC+2). Big lag against North America — early morning CET overlaps late night ET.

Time gap: CET is 1.0 hours ahead of GMT (standard-time offsets — daylight-saving flips shift this by an hour twice a year in most northern-hemisphere zones).

GMT to CET FAQ

Quick answers about daylight saving time, date changes, business-hour overlap, and the most common scheduling questions between Greenwich Mean Time and Central European Time.

What is the time difference between GMT and CET?

CET is 1 hour ahead of GMT. GMT is UTC +0:00 and CET is UTC +1:00 relative to UTC. CET observes daylight saving but GMT does not, so the gap shifts by an hour twice a year. In CET winter the difference is 1 hour; in summer it changes by one hour.

When can GMT and CET have business-hour overlap?

Aim for 09:00–16:00 GMT, which is 10:00–17:00 CET. Both sides stay inside standard business hours.

Does GMT or CET observe daylight saving time?

CET observes daylight saving but GMT does not, so the gap shifts by an hour twice a year. In CET winter the difference is 1 hour; in summer it changes by one hour.

How do I quickly convert GMT to CET?

To convert GMT to CET, add 1 hour to the GMT time. Example: if it's 10:00 AM GMT, it's 11:00 CET that day. The live converter at the top of this page handles DST automatically.

Popular GMT Time Converters

Explore more GMT conversions for major business and travel corridors. Each page includes a 24-hour chart, time difference summary, and meeting overlap guidance.

Convert Other Time Zones to CET

Find the time difference from any major zone into Central European Time. Use these pages when scheduling with Central Europe from a different region.

🇪🇺 Swap direction — CET to GMT Converter