Convert US Central Time (CST/CDT) to Eastern Time (EST/EDT) instantly — automatically adjusts for Daylight Saving Time on both sides.
Mint = business hours (9 AM–6 PM) in that zone; peach = early/late hours; grey = overnight. The dark line marks your selected time.
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This tool converts US Central Time to Eastern Time instantly. Both zones observe Daylight Saving Time on the same schedule in the US, so the difference stays a steady 1 hour year-round — but this converter checks the exact date automatically so you never have to guess.
Eastern Time is always 1 hour ahead of Central Time, whether both zones are in standard time (winter) or daylight time (summer), since the US switches both zones on the same dates. A 2:00 PM CST flight departure, for example, corresponds to a 3:00 PM EST arrival-time reference.
Unlike the India-US pairings above, this one is almost entirely domestic US traffic — coordinating between Central cities like Chicago, Dallas, and Houston and Eastern cities like New York, Atlanta, and Miami. It's used for cross-region conference calls, connecting flight schedules, and matching live TV or sports broadcast times that air at different local hours in each zone.
What is the time difference between CST and EST? Eastern Time is always 1 hour ahead of Central Time, in both standard time and daylight saving time, since the US changes clocks in both zones on the same dates.
What is 9 AM CST in EST? 9:00 AM CST is 10:00 AM EST.
Does the 1-hour difference ever change? No, the 1-hour gap between Central and Eastern Time stays constant throughout the year in the US.
Which US states are in CST and which are in EST? Central Time covers states like Texas, Illinois, and much of the Midwest, while Eastern Time covers states like New York, Florida, and the East Coast.
Is this CST to EST converter free to use? Yes, it's completely free, works instantly in your browser, and does not require any sign-up.
Note: This converter uses your browser's built-in time zone database and automatically accounts for Daylight Saving Time changes for the selected date, so results stay accurate year-round.