From
PST / PDT
Time Converter
PST to AST Time Converter
Convert Pacific Time to Atlantic Time with a live clock and clean permalinks.
To
AST / ADT
When it is 7:30 AM in Pacific Time, it is 11:30 AM in Atlantic Time.
PST to AST at a glance
Atlantic Time is 4 hours ahead of Pacific Time. If someone gives you a time in Pacific Time, move the clock by 4 hours to read it in Atlantic Time. A 9:00 AM start in Los Angeles becomes 1:00 PM in Halifax.
What Pacific Time covers
Pacific Time is the clock used on the west coast of North America. It is the everyday time for places like Los Angeles, Vancouver, and Seattle. It is a common reference point for tech, entertainment, and west coast customer support teams.
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 PST and AST?
Atlantic Time is 4 hours ahead of Pacific Time.
What happens to a 3:00 PM meeting in PST?
It lands at 7:00 PM in AST.
Does daylight saving time matter for PST to AST?
Pacific 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.