GMT to CET Time Converter

Convert Greenwich Mean Time to Central European Time - Quick & Accurate

London (GMT)
Paris (CET)
CET is 1 hour ahead of GMT

Quick Time Conversion

London
Greenwich Mean Time
UTC+0 (GMT) / UTC+1 (BST)
Paris
Central European Time
UTC+1 (CET) / UTC+2 (CEST)

Current Time Right Now

Greenwich (GMT/BST)
Central European (CET/CEST)

Updates live every second

24-Hour Visual Comparison

GMT (London)
12am GMT
1am GMT
2am GMT
3am GMT
4am GMT
5am GMT
6am GMT
7am GMT
8am GMT
9am GMT
10am GMT
11am GMT
12pm GMT
1pm GMT
2pm GMT
3pm GMT
4pm GMT
5pm GMT
6pm GMT
7pm GMT
8pm GMT
9pm GMT
10pm GMT
11pm GMT
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CET (Paris)
1am CET
2am CET
3am CET
4am CET
5am CET
6am CET
7am CET
8am CET
9am CET
10am CET
11am CET
12pm CET
1pm CET
2pm CET
3pm CET
4pm CET
5pm CET
6pm CET
7pm CET
8pm CET
9pm CET
10pm CET
11pm CET
12am CET
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Business Hours (9AM-5PM)
Evening (5PM-9PM)
Night (9PM-6AM)

Hover over any hour to see corresponding time in both zones

Best Time for Meeting/Call

To schedule a meeting between GMT and CET:

Best Window (GMT)
8:00 AM - 5:00 PM
Which is (CET)
9:00 AM - 6:00 PM
Both parties in business hours
9-hour overlap window
Ideal for UK-Europe collaboration

Pro Tip: Schedule calls between 9:00 AM - 4:00 PM GMT for maximum overlap with CET business hours

Complete GMT to CET Conversion Table

GMT TimeCET TimeContext
12:00 AM01:00 AM
Midnight GMT
01:00 AM02:00 AM
Late Night
02:00 AM03:00 AM
Late Night
03:00 AM04:00 AM
Late Night
04:00 AM05:00 AM
Late Night
05:00 AM06:00 AM
Late Night
06:00 AM07:00 AM
Early Morning GMT
07:00 AM08:00 AM
Night Time
08:00 AM09:00 AM
Work Starts GMT
09:00 AM10:00 AM
Meeting Window
10:00 AM11:00 AM
Meeting Window
11:00 AM12:00 PM
Meeting Window

Greenwich Mean Time (GMT)

UTC+0
UTC+1 during BST
Major Cities:
  • • London
  • • Manchester
  • • Birmingham
Daylight Saving:

BST (UTC+1) from March to October

IANA Identifier:

Europe/London

Central European Time (CET)

UTC+1
UTC+2 during CEST
Major Cities:
  • • Paris
  • • Berlin
  • • Rome
  • • Madrid
  • • Brussels
Daylight Saving:

CEST (UTC+2) from March to October

IANA Identifier:

Europe/Paris

Greenwich Mean Time (GMT) vs Central European Time (CET)

Greenwich Mean Time (GMT)Central European Time (CET)

Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London. It is UTC+0, serving as the reference point for global time zones. During daylight saving time, the UK observes British Summer Time (BST), which is UTC+1.

Central European Time (CET) is 1 hour ahead of Coordinated Universal Time (UTC+1). During daylight saving time, the region observes Central European Summer Time (CEST), which is UTC+2.

Where Is It Used In Europe?

  • United Kingdom: England, Scotland, Wales, Northern Ireland
  • Major Cities: London, Manchester, Birmingham, Glasgow, Liverpool, Edinburgh
  • Ireland: Dublin, Cork (uses IST, same offset as GMT/BST)
  • Portugal: Lisbon, Porto (WET, same offset as GMT)
  • Iceland: Reykjavik (no DST, permanently GMT)
  • France: Paris, Marseille, Lyon, Toulouse
  • Germany: Berlin, Munich, Hamburg, Frankfurt
  • Italy: Rome, Milan, Naples, Turin
  • Spain: Madrid, Barcelona, Valencia, Sevilla
  • Netherlands: Amsterdam, Rotterdam
  • Belgium: Brussels, Antwerp
  • Poland: Warsaw, Krakow
  • Austria: Vienna, Salzburg
  • Switzerland: Zurich, Geneva, Basel
  • Czech Republic: Prague, Brno
  • Plus: Sweden, Norway, Denmark, Croatia, Hungary, and more

Where Is It Used In Africa?

  • Morocco: Casablanca, Rabat
  • Western Sahara
  • Mauritania: Nouakchott
  • Senegal: Dakar
  • Gambia: Banjul
  • Guinea-Bissau: Bissau
  • Mali: Bamako
  • Burkina Faso: Ouagadougou
  • Algeria: Algiers
  • Tunisia: Tunis
  • Libya: Tripoli
  • Chad: N'Djamena
  • Niger: Niamey
  • Nigeria: Lagos, Abuja
  • Cameroon: Yaoundé
  • Angola: Luanda
  • Namibia: Windhoek

Key Facts

  • UTC Offset: UTC+0 (GMT) / UTC+1 (BST)
  • Region: Prime Meridian reference point
  • Known For: Global time reference standard
  • Largest City: London (9M metro area)
  • Daylight Saving: Begins last Sunday in March, ends last Sunday in October
  • UTC Offset: UTC+1 (CET) / UTC+2 (CEST)
  • Region: Most of continental Europe
  • Known For: Major European cultural and economic centers
  • Largest Cities: Paris (11M), Madrid (6.7M), Berlin (6M)
  • Coverage: Most populous time zone in Europe
  • Daylight Saving: Begins last Sunday in March, ends last Sunday in October

Quick Reference

Time Difference: CET is 1 hour ahead of GMT year-round
Consistency: This difference remains constant because both observe DST at the same dates
Distance: Approximately 200-1,500 km depending on cities
UTC Offsets: GMT = UTC+0, CET = UTC+1 | BST = UTC+1, CEST = UTC+2 (during DST)
EU DST: Starts last Sunday in March, Ends last Sunday in October

Frequently Asked Questions

GMT (Greenwich Mean Time) is 1 hour behind CET (Central European Time). This means when it's 12:00 PM in London (GMT), it's 1:00 PM in Paris (CET).

The best time to call from GMT to CET is between 8:00 AM and 5:00 PM GMT, which corresponds to 9:00 AM to 6:00 PM CET. This ensures both parties are within standard business hours.

No, the time difference remains constant at 1 hour because both GMT and CET observe Daylight Saving Time at the same dates. GMT becomes BST (UTC+1) and CET becomes CEST (UTC+2).

GMT cities include London, Manchester, and Birmingham. CET cities include Paris, Berlin, Rome, Madrid, and Brussels.

In Europe, DST starts on the last Sunday in March at 1:00 AM and ends on the last Sunday in October at 1:00 AM. During DST, GMT becomes BST and CET becomes CEST.

Related Time Converters

CET → GMTGMT → MSKCET → EETGMT → TRTGMT → ISTGMT → AESTGMT → ESTView All