EST to CST Converter
Understanding EST and CST Time Zones
Eastern Standard Time (EST)
Eastern Standard Time is observed in undefined and uses the offset UTC-5. Major cities in this time zone include New York, Washington DC, Miami, Atlanta, Boston. This time zone serves a significant global region with important economic and cultural hubs.
Central Standard Time (CST)
Central Standard Time operates at UTC-6, covering undefined. Key cities include Chicago, Houston, Dallas, Minneapolis. The 1-hour backward offset from EST means that when professionals in New York start their workday at 9:00 AM, it is already 8:00 AM in Chicago.
EST is also commonly referred to as Eastern Time, ET, East Coast time, New York time. CST is also known as Central Time, CT, Chicago time, Texas time. So if you are searching for Eastern Time to Central Time, this is the same conversion as EST to CST.
Complete EST to CST Conversion Table
The table below shows every two-hour increment converted from Eastern Standard Time to Central Standard Time. Business hours (9 AM – 5 PM) are highlighted for easy scheduling reference.
| EST (Eastern Standard Time) | CST (Central Standard Time) |
|---|---|
| 12:00 AM (00:00) | 11:00 PM (23:00) (previous day) |
| 2:00 AM (02:00) | 1:00 AM (01:00) |
| 4:00 AM (04:00) | 3:00 AM (03:00) |
| 6:00 AM (06:00) | 5:00 AM (05:00) |
| 8:00 AM (08:00) | 7:00 AM (07:00) |
| 10:00 AM (10:00) | 9:00 AM (09:00) |
| 12:00 PM (12:00) | 11:00 AM (11:00) |
| 2:00 PM (14:00) | 1:00 PM (13:00) |
| 4:00 PM (16:00) | 3:00 PM (15:00) |
| 6:00 PM (18:00) | 5:00 PM (17:00) |
| 8:00 PM (20:00) | 7:00 PM (19:00) |
| 10:00 PM (22:00) | 9:00 PM (21:00) |
Times shown in 12-hour and 24-hour format. Last updated 2026-03-09.
Scheduling Between EST and CST
For business scheduling, the optimal overlap window between EST and CST falls roughly between 10:00 AM and 5:00 PM EST. This ensures both New York and Chicago teams are within standard working hours.
The small 1-hour gap between EST and CST means that most of the business day overlaps, making real-time collaboration straightforward. Morning meetings in EST align well with early morning schedules in CST.
Travel Between New York and Chicago
Travelers flying from New York to Chicago should adjust their sleep schedule 1 day before departure at a rate of one hour per day. For this time difference, gradual adjustment reduces jet lag dramatically.
Medical experts recommend allowing approximately one day of adjustment per hour of time difference. For the 1-hour shift between EST and CST, plan for a quick adjustment of 1–2 days.
Daylight Saving Time Considerations
During standard time months (November through March in the US), this offset is fixed. However, if either zone observes daylight saving time, the difference may temporarily shift by one hour during transition weeks in spring and autumn.
For the EST to CST conversion specifically: EST (UTC-5) and CST (UTC-6) 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
EST (Eastern Standard Time) is 1 hour ahead of CST (Central Standard Time). EST is UTC-5 and CST is UTC-6.
When it is 12:00 PM (noon) in EST, it is 11:00 AM in CST.
The best overlap for business hours is approximately 8:00 AM to 4:00 PM CST, which corresponds to 9:00 AM to 5:00 PM in EST.
During standard time months (November through March in the US), this offset is fixed. However, if either zone observes daylight saving time, the difference may temporarily shift by one hour during transition weeks in spring and autumn.