CDT to EST Time Converter

Central Daylight Time (CDT) and Eastern Standard Time (EST) are currently on the same time. CDT is UTC-5 and EST is UTC-5. 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 Standard Time (EST)
--:--:--
(UTC-5)

Best Time for a Call

CDT and EST keep the same clock time, so anything inside normal working hours suits both sides.

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

Hour by Hour: CDT to EST

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

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 EST 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.

EST is UTC-5, used across eastern North America in winter. The same region switches to EDT (UTC-4) from March to November.

Frequently Asked Questions

How many hours ahead is EST compared to CDT?

EST and CDT are currently on the same time. CDT and EST are fixed offsets, so the difference between them never changes.

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

9:00 AM in CDT is 9:00 AM in EST.

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

CDT and EST keep the same clock time, so anything inside normal working hours suits both sides.