Time Zone Converter

AST to KST Time Zone Converter

Convert AST to KST with a live clock, current time difference, UTC offsets, and work-hour overlap. KST is 12 hours ahead of AST.

From
Atlantic Time
Halifax
--

To
Korea Time
Seoul
--

When it is 7:30 AM in Atlantic Time, it is 7:30 PM in Korea Time.

Current gap Korea Time is 12 hours ahead of Atlantic Time.
UTC offsets now UTC -3 and UTC +9
Quick example 12:00 PM in AST = 12:00 AM in KST
Shared work window There is little or no normal workday overlap.

AST to KST at a glance

Korea Time is 12 hours ahead of Atlantic Time. If someone gives you a time in Atlantic Time, move the clock by 12 hours to read it in Korea Time. A 9:00 AM start in Halifax becomes 9:00 PM in Seoul.

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.

What Korea Time covers

Korea Time is the local clock for South Korea. Seoul uses it throughout the year. It is common for electronics, gaming, and regional customer support schedules.

Quick answers

What is the time difference between AST and KST?

Korea Time is 12 hours ahead of Atlantic Time.

What happens to a 3:00 PM meeting in AST?

It lands at 3:00 AM in KST.

Does daylight saving time matter for AST to KST?

Atlantic Time and Korea Time are shown using the offsets that are active right now, so the result already reflects any daylight saving change in effect today.