From
EST / EDT
Time Converter
EST to AST Time Converter
Convert Eastern Time to Atlantic Time with a live clock and clean permalinks.
To
AST / ADT
When it is 7:30 AM in Eastern Time, it is 8:30 AM in Atlantic Time.
EST to AST at a glance
Atlantic Time is 1 hour ahead of Eastern Time. If someone gives you a time in Eastern Time, move the clock by 1 hour to read it in Atlantic Time. A 9:00 AM start in New York becomes 10:00 AM in Halifax.
What Eastern Time covers
Eastern Time is the main clock for New York, Washington, Toronto, and many large business hubs on the east side of North America. It is widely used for finance, media, and US-facing business operations.
What Atlantic Time covers
Atlantic Time is used in eastern Canada and parts of the Caribbean. Halifax is a common city reference for it. It matters when scheduling across North America and island markets farther east.
Quick answers
What is the time difference between EST and AST?
Atlantic Time is 1 hour ahead of Eastern Time.
What happens to a 3:00 PM meeting in EST?
It lands at 4:00 PM in AST.
Does daylight saving time matter for EST to AST?
Eastern Time and Atlantic Time are shown using the offsets that are active right now, so the result already reflects any daylight saving change in effect today.