Tokyo to Seoul Time Converter
Tokyo, Japan and Seoul, South Korea are currently on the same time. Tokyo is on JST (UTC+9) and Seoul is on KST (UTC+9). The table below converts every hour of the day between the two, and the call planner shows where working hours line up.
Best Time for a Call
Tokyo and Seoul keep the same clock time, so anything inside normal working hours suits both sides.
Comparing more than two places? The Overlap Zones tool shows working hours for several cities on one grid.
Hour by Hour: Tokyo to Seoul
Rows marked office hours fall between 9:00 AM and 5:00 PM in both places. For a specific date, use the interactive converter.
Does the Difference Change During the Year?
Neither place observes daylight saving, so the difference between Tokyo and Seoul stays at 0 hours all year.
Frequently Asked Questions
How many hours ahead is Seoul compared to Tokyo?
Seoul and Tokyo are currently on the same time. Neither place observes daylight saving, so the difference between Tokyo and Seoul stays at 0 hours all year.
What time is 9:00 AM in Tokyo in Seoul?
9:00 AM in Tokyo is 9:00 AM in Seoul.
What is the best time for a call between Tokyo and Seoul?
Tokyo and Seoul keep the same clock time, so anything inside normal working hours suits both sides.