CDT to EST Converter
EST is 1 hour ahead of CST. 9:00 AM CST = 10:00 AM EST.
EST is 1 hour ahead of CST. To convert CDT to EST, add 1 hour to the CDT time: 9:00 AM CST = 10:00 AM EST.
CDT (Central Time) is used in US and Canadian Central zone during daylight saving time. EST (Eastern Time) is used in New York, Washington DC, Florida, Georgia, Ohio, Michigan, Ontario, Quebec, Panama and Jamaica (all year).
CDT (Central Daylight Time) is not in force right now: US and Canadian Central zone during daylight saving time is currently on CST. This page uses whichever name applies on the date you pick, so the numbers below say CST.
CDT to EST time conversion table
CDT to EST on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| CDT | EST | Day |
|---|---|---|
| 12:00 AM CST | 1:00 AM EST | night |
| 1:00 AM CST | 2:00 AM EST | night |
| 2:00 AM CST | 3:00 AM EST | night |
| 3:00 AM CST | 4:00 AM EST | night |
| 4:00 AM CST | 5:00 AM EST | night |
| 5:00 AM CST | 6:00 AM EST | — |
| 6:00 AM CST | 7:00 AM EST | — |
| 7:00 AM CST | 8:00 AM EST | — |
| 8:00 AM CST | 9:00 AM EST | — |
| 9:00 AM CST | 10:00 AM EST | work hours |
| 10:00 AM CST | 11:00 AM EST | work hours |
| 11:00 AM CST | 12:00 PM EST | work hours |
| 12:00 PM CST | 1:00 PM EST | work hours |
| 1:00 PM CST | 2:00 PM EST | work hours |
| 2:00 PM CST | 3:00 PM EST | work hours |
| 3:00 PM CST | 4:00 PM EST | work hours |
| 4:00 PM CST | 5:00 PM EST | — |
| 5:00 PM CST | 6:00 PM EST | — |
| 6:00 PM CST | 7:00 PM EST | — |
| 7:00 PM CST | 8:00 PM EST | — |
| 8:00 PM CST | 9:00 PM EST | — |
| 9:00 PM CST | 10:00 PM EST | night |
| 10:00 PM CST | 11:00 PM EST | night |
| 11:00 PM CST | 12:00 AM EST | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert CDT to EST
Add 1 hour to the CDT time to get EST.
Example: 9:00 AM CST = 10:00 AM EST.
Across midnight: 11:00 PM CST = 12:00 AM EST (next day). The date changes, so always check the day as well as the hour.
Time difference between CDT and EST
The time difference between CDT and EST is 1 hour all year – EST is ahead of CST.
CDT and EST during daylight saving time
- CDT next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from CST (UTC−6) to CDT (UTC−5).
- EST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from EST (UTC−5) to EDT (UTC−4).
Best time for a meeting between CDT and EST
CDT and EST share 7 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 4:00 PM CST lands between 10:00 AM and 5:00 PM EST, inside working hours for both.
CDT to EST FAQ
What is the time difference between CDT and EST?
EST is 1 hour ahead of CST all year. 9:00 AM CST = 10:00 AM EST.
What is 9 AM CDT in EST?
9:00 AM CST is 10:00 AM EST.
What is 12 PM (noon) CDT in EST?
12:00 PM CST is 1:00 PM EST.
Is EST ahead of or behind CDT?
EST is 1 hour ahead of CST, so it is later in EST than in CDT.
Does CDT change for daylight saving time?
Yes. CDT next changes on 14 Mar 2027, when clocks go forward one hour from CST to CDT.
Does EST change for daylight saving time?
Yes. EST next changes on 14 Mar 2027, when clocks go forward one hour from EST to EDT.
What is the best time for a meeting between CDT and EST?
CDT and EST share 7 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 4:00 PM CST lands between 10:00 AM and 5:00 PM EST, inside working hours for both.
Is ET the same as EST?
EST is the winter (standard) name of Eastern Time (ET). From March to November the same clocks are called EDT. This converter always uses the one in force on the date you choose.
Related conversions
Convert CDT to other time zones
Convert other time zones to EST
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.