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London to Paris Time

GMT to CET Converter — 9 AM GMT is 10:00 AM CET

London is 1 hour behind Paris. Convert any time between London (GMT/BST) and Paris (CET/CEST) instantly.

London

United Kingdom

GMT/BST
UTC+0 · GMT/BST

Paris

France

CET/CEST
UTC+1 · CET/CEST
London is 1 hour behind Paris.

Add Time Zones to Compare

London(UTC+0)
Paris(UTC+1)

Time Zone Comparison

London
12:00 PM
United Kingdom · GMT/BST
12:00 PM
12amNight
1amNight
2amNight
3amNight
4amNight
5amNight
6amNight
7amNight
8amNight
9amWorking hours
10amWorking hours
11amWorking hours
12pmWorking hours
1pmWorking hours
2pmWorking hours
3pmWorking hours
4pmWorking hours
5pmEvening
6pmEvening
7pmEvening
8pmEvening
9pmNight
10pmNight
11pmNight
Paris
1:00 PM
France · CET/CEST
1:00 PM
1amNight
2amNight
3amNight
4amNight
5amNight
6amNight
7amNight
8amNight
9amWorking hours
10amWorking hours
11amWorking hours
12pmWorking hours
1pmWorking hours
2pmWorking hours
3pmWorking hours
4pmWorking hours
5pmEvening
6pmEvening
7pmEvening
8pmEvening
9pmNight
10pmNight
11pmNight
12amNight
Working
Evening
Night
Now
Selected Time
Minutes:
London12:00 PM
Paris1:00 PM

London to Paris Time Conversion Table

London (GMT)Paris (CET)
12:00 AM1:00 AM
2:00 AM3:00 AM
4:00 AM5:00 AM
6:00 AM7:00 AM
8:00 AM9:00 AM
10:00 AM11:00 AM
12:00 PM1:00 PM
2:00 PM3:00 PM
4:00 PM5:00 PM
6:00 PM7:00 PM
8:00 PM9:00 PM
10:00 PM11:00 PM
Working hours (9 AM - 5 PM)
Evening (5 PM - 9 PM)
Night

London & Paris — Business & Scheduling Guide

London (United Kingdom) is a leading center for finance and international trade, with key industries in finance, insurance, media, and professional services. Paris (France) is a cultural and economic hub in the European Union, known for luxury goods, aerospace, agriculture, and tourism. With a 1-hour time difference, professionals frequently schedule cross-border calls between these two cities for international trade, remote team collaboration, and client meetings.

Scheduling Meetings Between London and Paris

With only a 1-hour gap, London and Paris have generous overlapping work hours. Morning calls in the later time zone align well with mid-day in the other. British business culture values politeness and punctuality, with typical hours of 9 AM–5:30 PM. French work culture includes a legally mandated 35-hour work week, with typical hours of 9 AM–6 PM and a longer lunch break. Most teams find that late morning to early afternoon offers the widest window for collaboration.

Daylight Saving Time Considerations

Both London and Paris observe Daylight Saving Time. London uses GMT/BST (switching between standard and daylight time), while Paris uses CET/CEST. If their DST transitions happen on different dates — which is common, as the US, EU, and other regions change clocks on different weekends — the effective time difference between the two cities can shift by 1 hour for several weeks. Always double-check the actual offset during March–April and October–November.

GMT to CET — Quick Reference

GMT (GMT/BST) stands for the timezone used in London, United Kingdom (UTC+0). CET (CET/CEST) is the timezone used in Paris, France (UTC+1). London is 1 hour behind Paris.

To convert GMT to CET, add 1 hours to GMT time. For example, GMT 9:00 AM = CET 10:00 AM.

Key Facts

  • Time difference: London (UTC+0) is 1 hour behind Paris (UTC+1).
  • Daylight Saving Time: London observes DST (GMT/BST). Paris observes DST (CET/CEST).
  • Regions: London is located in United Kingdom and uses the GMT/BST time zone. Paris is located in France and uses the CET/CEST time zone.
  • Best time to call: The best time to call between London and Paris is 9:00 AM to 3:00 PM in London time, when both cities have overlapping standard working hours.

Frequently Asked Questions

What is the time difference between London and Paris?

London is 1 hour behind Paris.

What time is it in Paris when it's 9 AM in London?

When it's 9:00 AM in London, it is 10:00 AM in Paris.

What time is 9 PM GMT in CET?

9 PM GMT (London time) is 10:00 PM CET (Paris time). This is a common time people check when scheduling evening calls across these two time zones.

When is the best time to schedule a meeting between London and Paris?

The best time to schedule a meeting is between 9:00 AM to 3:00 PM in London time, when both cities are within standard working hours (9 AM – 5 PM). This gives you the maximum overlap window for real-time collaboration.

How do I convert GMT to CET?

GMT (GMT/BST) is the timezone for London, United Kingdom (UTC+0). CET (CET/CEST) is the timezone for Paris, France (UTC+1). London is 1 hour behind Paris. Quick examples: 9 AM GMT = 10:00 AM CET, 12 PM GMT = 1:00 PM CET, 3 PM GMT = 4:00 PM CET, 6 PM GMT = 7:00 PM CET.

Is London ahead of or behind Paris?

London is 1 hour behind Paris. When it's noon in London, it's 1:00 PM in Paris.

Does London or Paris change clocks for Daylight Saving Time?

Yes, London observes DST and switches between GMT/BST. Paris observes DST and switches between CET/CEST.

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