GMT to CEST Time Converter

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

London · Greenwich Mean Time
19:28:21
Tuesday, May 5, 2026
GMT+1 · UTC+01:00
Paris · Central European Summer Time
20:28:21
Tuesday, May 5, 2026
GMT+2 · UTC+02:00

Convert a specific time

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

Daylight Saving status right now

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

When can GMT and CEST meet?

7 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 09:00–15:00 GMT (10:00–16:00 CEST).

Hour-by-hour GMT to CEST conversion table

GMT time (London)CEST time (Paris)Status
00:00 Tue01:00 TueOff-hours both sides
01:00 Tue02:00 TueOff-hours both sides
02:00 Tue03:00 TueOff-hours both sides
03:00 Tue04:00 TueOff-hours both sides
04:00 Tue05:00 TueOff-hours both sides
05:00 Tue06:00 TueOff-hours both sides
06:00 Tue07:00 TueOff-hours both sides
07:00 Tue08:00 TueOff-hours both sides
08:00 Tue09:00 TueCEST working
09:00 Tue10:00 TueBoth at work
10:00 Tue11:00 TueBoth at work
11:00 Tue12:00 TueBoth at work
12:00 Tue13:00 TueBoth at work
13:00 Tue14:00 TueBoth at work
14:00 Tue15:00 TueBoth at work
15:00 Tue16:00 TueBoth at work
16:00 Tue17:00 TueGMT working
17:00 Tue18:00 TueOff-hours both sides
18:00 Tue19:00 TueOff-hours both sides
19:00 Tue20:00 TueOff-hours both sides
20:00 Tue21:00 TueOff-hours both sides
21:00 Tue22:00 TueOff-hours both sides
22:00 Tue23:00 TueOff-hours both sides
23:00 Tue00:00 WedOff-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

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

Sun today in London and Paris

London
Sunrise
05:26
Sunset
20:30
Solar noon
12:58
Daylight
15h 3m
Paris
Sunrise
06:25
Sunset
21:11
Solar noon
13:48
Daylight
14h 46m

Related converters

CEST to GMT (reverse)GMT to ESTGMT to PSTGMT to UTCGMT to CETGMT to ISTEST to CESTPST to CESTUTC to CESTCET to CESTIST to CEST
Looking for local time? See time in London or time in Paris.

Frequently asked questions

What is the time difference between GMT and CEST right now?+
CEST (Central European Summer Time) is currently 1 hour ahead GMT (Greenwich Mean Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does GMT or CEST observe daylight saving time?+
GMT: observes daylight saving time. CEST: observes daylight saving time.
When is the best time to schedule a meeting between GMT and CEST?+
The strongest overlap is 09:00–15:00 GMT (10:00–16:00 CEST), giving 7 hours when both sides are within standard 9am-5pm working hours.
What time is it in Paris when it is 12:00 noon in London?+
When it is 12:00 Tue in London (GMT), it is 13:00 Tue in Paris (CEST).
Which IANA time zone identifiers are used for GMT and CEST?+
GMT maps to "Europe/London" in the IANA database. CEST maps to "Europe/Paris". These identifiers are what most software libraries use to convert times accurately, including DST handling.