KST to AST time converter
Atlantic Time (AST) is 13 hours behind Korea Standard Time (KST) in January and 12 hours behind in July, because daylight saving time shifts the difference. Use the grid below to line up Seoul and Halifax: drag the cursor across the day, and working hours (9 AM–5 PM) are highlighted in every row so you can spot a slot that suits both sides.
Right now it is 18:43 KST in Seoul and 06:43 ADT in Halifax.
2/10 zones · drag the tape, scroll sideways or use the arrow keys; Home jumps back to now.
KST to AST: frequently asked
What is the time difference between KST and AST?
Atlantic Time (AST) is 13 hours behind Korea Standard Time (KST) in January and 12 hours behind in July, because daylight saving time shifts the difference.
What time is 9 AM KST in AST?
9:00 AM KST is 8:00 PM AST the previous day in January, and 9:00 PM AST the previous day in July.
When do working hours overlap between Seoul and Halifax?
In January: Standard 9:00 AM–5:00 PM working hours never overlap. The closest fit is 10:00 PM KST, which is 9:00 AM AST. In July: Standard 9:00 AM–5:00 PM working hours never overlap. The closest fit is 9:00 PM KST, which is 9:00 AM AST.