GMT to CEST Time Converter

Central European Summer Time (CEST) is currently 2 hours ahead of Greenwich Mean Time (GMT). GMT is UTC+0 and CEST is UTC+2. The table below converts every hour of the day between the two, and the call planner shows where working hours line up.

Greenwich Mean Time (GMT)
--:--:--
(UTC+0)
Central European Summer Time (CEST)
--:--:--
(UTC+2)

Best Time for a Call

Both sides are inside 9:00 AM to 5:00 PM office hours between 9:00 AM and 3:00 PM in GMT, which is 11:00 AM to 5:00 PM in CEST.

Comparing more than two places? The Overlap Zones tool shows working hours for several cities on one grid.

Hour by Hour: GMT to CEST

GMTCEST
12:00 AM2:00 AM
1:00 AM3:00 AM
2:00 AM4:00 AM
3:00 AM5:00 AM
4:00 AM6:00 AM
5:00 AM7:00 AM
6:00 AM8:00 AM
7:00 AM9:00 AM
8:00 AM10:00 AM
9:00 AM11:00 AMoffice hours
10:00 AM12:00 PMoffice hours
11:00 AM1:00 PMoffice hours
12:00 PM2:00 PMoffice hours
1:00 PM3:00 PMoffice hours
2:00 PM4:00 PMoffice hours
3:00 PM5:00 PMoffice hours
4:00 PM6:00 PM
5:00 PM7:00 PM
6:00 PM8:00 PM
7:00 PM9:00 PM
8:00 PM10:00 PM
9:00 PM11:00 PM
10:00 PM12:00 AM+1 day
11:00 PM1:00 AM+1 day

Rows marked office hours fall between 9:00 AM and 5:00 PM in both places. For a specific date, use the interactive converter.

Does the Difference Change During the Year?

GMT and CEST are fixed offsets, so the difference between them never changes.

GMT is UTC+0 and never shifts. The UK is on GMT in winter but moves to BST (UTC+1) from late March to late October.

CEST is UTC+2, the summer counterpart of CET, used from late March to late October.

Frequently Asked Questions

How many hours ahead is CEST compared to GMT?

CEST is currently 2 hours ahead of GMT. GMT and CEST are fixed offsets, so the difference between them never changes.

What time is 9:00 AM in GMT in CEST?

9:00 AM in GMT is 11:00 AM in CEST.

What is the best time for a call between GMT and CEST?

Both sides are inside 9:00 AM to 5:00 PM office hours between 9:00 AM and 3:00 PM in GMT, which is 11:00 AM to 5:00 PM in CEST.