CET to GMT Time Converter

Convert Central European Time (CET) to Greenwich Mean Time (GMT). Both time zones are shown live below; current offset between them is 1 hour behind.

Paris · Central European Time
22:55:27
Sunday, May 10, 2026
GMT+2 · UTC+02:00
London · Greenwich Mean Time
21:55:27
Sunday, May 10, 2026
GMT+1 · UTC+01:00

Convert a specific time

From: CET (Paris)
To: GMT (London)
--:--

Daylight Saving status right now

CET (Central European Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-10-25
Offset shift
UTC+02:00 → UTC+01:00
GMT (Greenwich Mean Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-10-25
Offset shift
UTC+01:00 → UTC+00:00

When can CET and GMT meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
CET
GMT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Paris (CET). Each row shows the local working-hours state in that zone for the same moment in time.
7 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 10:00–16:00 CET (09:00–15:00 GMT).

Hour-by-hour CET to GMT conversion table

CET time (Paris)GMT time (London)Status
00:00 Sun23:00 SatOff-hours both sides
01:00 Sun00:00 SunOff-hours both sides
02:00 Sun01:00 SunOff-hours both sides
03:00 Sun02:00 SunOff-hours both sides
04:00 Sun03:00 SunOff-hours both sides
05:00 Sun04:00 SunOff-hours both sides
06:00 Sun05:00 SunOff-hours both sides
07:00 Sun06:00 SunOff-hours both sides
08:00 Sun07:00 SunOff-hours both sides
09:00 Sun08:00 SunCET working
10:00 Sun09:00 SunBoth at work
11:00 Sun10:00 SunBoth at work
12:00 Sun11:00 SunBoth at work
13:00 Sun12:00 SunBoth at work
14:00 Sun13:00 SunBoth at work
15:00 Sun14:00 SunBoth at work
16:00 Sun15:00 SunBoth at work
17:00 Sun16:00 SunGMT working
18:00 Sun17:00 SunOff-hours both sides
19:00 Sun18:00 SunOff-hours both sides
20:00 Sun19:00 SunOff-hours both sides
21:00 Sun20:00 SunOff-hours both sides
22:00 Sun21:00 SunOff-hours both sides
23:00 Sun22:00 SunOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Central European Time (CET)
IANA identifier
Europe/Paris
Current UTC offset
UTC+02:00
Current abbreviation
GMT+2
Major cities in this zone
ParisLyonMarseille
Greenwich Mean Time (GMT)
IANA identifier
Europe/London
Current UTC offset
UTC+01:00
Current abbreviation
GMT+1
Major cities in this zone
LondonManchesterEdinburghBirmingham

Sun today in Paris and London

Paris
Sunrise
06:17
Sunset
21:19
Solar noon
13:48
Daylight
15h 1m
London
Sunrise
05:18
Sunset
20:38
Solar noon
12:58
Daylight
15h 20m

Related converters

GMT to CET (reverse)CET to ESTCET to PSTCET to UTCCET to ISTCET to JSTEST to GMTPST to GMTUTC to GMTIST to GMTJST to GMT
Looking for local time? See time in Paris or time in London.

Frequently asked questions

What is the time difference between CET and GMT right now?+
GMT (Greenwich Mean Time) is currently 1 hour behind CET (Central European Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does CET or GMT observe daylight saving time?+
CET: observes daylight saving time. GMT: observes daylight saving time.
When is the best time to schedule a meeting between CET and GMT?+
The strongest overlap is 10:00–16:00 CET (09:00–15:00 GMT), giving 7 hours when both sides are within standard 9am-5pm working hours.
What time is it in London when it is 12:00 noon in Paris?+
When it is 12:00 Sun in Paris (CET), it is 11:00 Sun in London (GMT).
Which IANA time zone identifiers are used for CET and GMT?+
CET maps to "Europe/Paris" in the IANA database. GMT maps to "Europe/London". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Paris ahead of or behind London?+
Whether Paris (CET) is ahead of or behind London (GMT) depends on the current UTC offsets. Right now GMT is 1 hour behind CET. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for CET and GMT?+
CET is UTC+02:00 (GMT+2) and GMT is UTC+01:00 (GMT+1). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both CET and GMT?+
Yes. There are 7 hours of overlap during standard 9am-5pm working hours, with the strongest window at 10:00–16:00 CET.