Seoul, South Korea Perth, Australia

Seoul is in the KST timezone (UTC+9) and Perth is in the AWST timezone (UTC+8). The time difference between them is 1 hour.

Use the timeline above to find overlapping business hours between Seoul and Perth. The "Best time to meet" card highlights the window where both cities are within working hours (9 AM – 6 PM local time).

Neither Seoul nor Perth observes Daylight Saving Time, so the time difference remains constant throughout the year.

Click the pencil icon next to the Seoul clock and type any time. The Perth clock will update instantly, showing the exact corresponding time. You can also pick a date to account for DST changes.