CST to EDT Time Converter
Eastern Daylight Time (EDT) is currently 2 hours ahead of Central Standard Time (CST). CST is UTC-6 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.
Best Time for a Call
Both sides are inside 9:00 AM to 5:00 PM office hours between 9:00 AM and 3:00 PM in CST, which is 11:00 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: CST to EDT
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?
CST and EDT are fixed offsets, so the difference between them never changes.
This page covers North American Central Standard Time, UTC-6. The region switches to CDT (UTC-5) in summer. CST can also refer to China Standard Time, which is UTC+8.
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 CST?
EDT is currently 2 hours ahead of CST. CST and EDT are fixed offsets, so the difference between them never changes.
What time is 9:00 AM in CST in EDT?
9:00 AM in CST is 11:00 AM in EDT.
What is the best time for a call between CST and EDT?
Both sides are inside 9:00 AM to 5:00 PM office hours between 9:00 AM and 3:00 PM in CST, which is 11:00 AM to 5:00 PM in EDT.