CDT to BST Time Converter

British Summer Time (BST) is currently 6 hours ahead of Central Daylight Time (CDT). CDT is UTC-5 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.

Central Daylight Time (CDT)
--:--:--
(UTC-5)
British Summer Time (BST)
--:--:--
(UTC+1)

Best Time for a Call

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

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

Hour by Hour: CDT to BST

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

CDT and BST are fixed offsets, so the difference between them never changes.

CDT is UTC-5, the summer counterpart of CST. Central North America uses it from March to November.

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 ahead is BST compared to CDT?

BST is currently 6 hours ahead of CDT. CDT and BST are fixed offsets, so the difference between them never changes.

What time is 9:00 AM in CDT in BST?

9:00 AM in CDT is 3:00 PM in BST.

What is the best time for a call between CDT and BST?

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