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.
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
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.