CET to CEST Time Converter
Central European Summer Time (CEST) is currently 1 hour ahead of Central European Time (CET). CET is UTC+1 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 4:00 PM in CET, which is 10:00 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: CET 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?
CET and CEST are fixed offsets, so the difference between them never changes.
CET is UTC+1, used across most of continental Europe in winter. The region switches to CEST (UTC+2) 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 CET?
CEST is currently 1 hour ahead of CET. CET and CEST are fixed offsets, so the difference between them never changes.
What time is 9:00 AM in CET in CEST?
9:00 AM in CET is 10:00 AM in CEST.
What is the best time for a call between CET and CEST?
Both sides are inside 9:00 AM to 5:00 PM office hours between 9:00 AM and 4:00 PM in CET, which is 10:00 AM to 5:00 PM in CEST.