CST to EDT Converter
Understanding CST and EDT Time Zones
Central Standard Time (CST)
Central Standard Time is observed in undefined and uses the offset UTC-6. Major cities in this time zone include Chicago, Houston, Dallas, Minneapolis. This time zone serves a significant global region with important economic and cultural hubs.
Eastern Daylight Time (EDT)
Eastern Daylight Time operates at UTC-4, covering undefined. Key cities include New York, Washington DC, Miami, Atlanta, Boston. The 2-hour forward offset from CST means that when professionals in Chicago start their workday at 9:00 AM, it is already 11:00 AM in New York.
CST is also commonly referred to as Central Time, CT, Chicago time, Texas time. EDT is also known as Eastern Daylight, Eastern Time, ET, East Coast time, New York time. So if you are searching for Central Time to Eastern Daylight, this is the same conversion as CST to EDT.
Complete CST to EDT Conversion Table
The table below shows every two-hour increment converted from Central Standard Time to Eastern Daylight Time. Business hours (9 AM – 5 PM) are highlighted for easy scheduling reference.
| CST (Central Standard Time) | EDT (Eastern Daylight Time) |
|---|---|
| 12:00 AM (00:00) | 2:00 AM (02:00) |
| 2:00 AM (02:00) | 4:00 AM (04:00) |
| 4:00 AM (04:00) | 6:00 AM (06:00) |
| 6:00 AM (06:00) | 8:00 AM (08:00) |
| 8:00 AM (08:00) | 10:00 AM (10:00) |
| 10:00 AM (10:00) | 12:00 PM (12:00) |
| 12:00 PM (12:00) | 2:00 PM (14:00) |
| 2:00 PM (14:00) | 4:00 PM (16:00) |
| 4:00 PM (16:00) | 6:00 PM (18:00) |
| 6:00 PM (18:00) | 8:00 PM (20:00) |
| 8:00 PM (20:00) | 10:00 PM (22:00) |
| 10:00 PM (22:00) | 12:00 AM (00:00) (next day) |
Times shown in 12-hour and 24-hour format. Last updated 2026-03-09.
Scheduling Between CST and EDT
When coordinating deliverables across CST and EDT, set deadlines in the earlier time zone to avoid end-of-day confusion. A "5 PM deadline" should specify which zone to prevent missed deliveries due to the 2-hour offset.
The small 2-hour gap between CST and EDT means that most of the business day overlaps, making real-time collaboration straightforward. Morning meetings in CST align well with late morning schedules in EDT.
Travel Between Chicago and New York
Flight times between Chicago and New York often appear misleading because of the time zone shift. A departure at 10:00 AM CST arriving at 2:00 PM EDT may look long, but remember to factor in the 2-hour offset.
Medical experts recommend allowing approximately one day of adjustment per hour of time difference. For the 2-hour shift between CST and EDT, plan for a quick adjustment of 1–2 days.
Daylight Saving Time Considerations
Countries near the equator — including Singapore, most of Africa, and parts of South America — do not observe DST, making their offsets constant year-round. This simplifies scheduling compared to US or European zones.
For the CST to EDT conversion specifically: CST (UTC-6) and EDT (UTC-4) both observe DST. When both zones transition on different dates, the offset temporarily shifts by one hour for a few weeks. Always verify during March–April and October–November.
Related Time Zone Conversions
References & Resources
Frequently Asked Questions
CST (Central Standard Time) is 2 hours behind EDT (Eastern Daylight Time). CST is UTC-6 and EDT is UTC-4.
When it is 12:00 PM (noon) in CST, it is 2:00 PM in EDT.
The best overlap for business hours is approximately 11:00 AM to 7:00 PM EDT, which corresponds to 9:00 AM to 5:00 PM in CST.
Countries near the equator — including Singapore, most of Africa, and parts of South America — do not observe DST, making their offsets constant year-round. This simplifies scheduling compared to US or European zones.