CEST to BST Time Converter
British Summer Time (BST) is currently 1 hour behind Central European Summer Time (CEST). CEST is UTC+2 and BST is UTC+1. 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 10:00 AM and 5:00 PM in CEST, which is 9:00 AM to 4:00 PM in BST.
Comparing more than two places? The Overlap Zones tool shows working hours for several cities on one grid.
Hour by Hour: CEST to BST
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?
CEST and BST are fixed offsets, so the difference between them never changes.
CEST is UTC+2, the summer counterpart of CET, used from late March to late October.
BST is UTC+1, used in the UK from late March to late October. In winter the UK is on GMT. BST can also refer to Bangladesh Standard Time, which is UTC+6.
Frequently Asked Questions
How many hours behind is BST compared to CEST?
BST is currently 1 hour behind CEST. CEST and BST are fixed offsets, so the difference between them never changes.
What time is 9:00 AM in CEST in BST?
9:00 AM in CEST is 8:00 AM in BST.
What is the best time for a call between CEST and BST?
Both sides are inside 9:00 AM to 5:00 PM office hours between 10:00 AM and 5:00 PM in CEST, which is 9:00 AM to 4:00 PM in BST.