CDT to EDT Time Converter

Eastern Daylight Time (EDT) is currently 1 hour ahead of Central Daylight Time (CDT). CDT is UTC-5 and EDT is UTC-4. 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)
Eastern Daylight Time (EDT)
--:--:--
(UTC-4)

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 CDT, which is 10:00 AM to 5:00 PM in EDT.

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

Hour by Hour: CDT to EDT

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

EDT is UTC-4, the summer counterpart of EST. Eastern North America uses it from March to November.

Frequently Asked Questions

How many hours ahead is EDT compared to CDT?

EDT is currently 1 hour ahead of CDT. CDT and EDT are fixed offsets, so the difference between them never changes.

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

9:00 AM in CDT is 10:00 AM in EDT.

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

Both sides are inside 9:00 AM to 5:00 PM office hours between 9:00 AM and 4:00 PM in CDT, which is 10:00 AM to 5:00 PM in EDT.