Time Difference: Seoul vs Toronto

Toronto is 13 hours behind Seoul.

Quick Reference

Seoul
KST (GMT+9)

No Daylight Saving Time

Toronto
EDT (GMT-4)

EST starts on Nov 1, 2026

Frequently Asked Questions

What is the time difference between Seoul and Toronto?
Toronto is 13 hours behind Seoul.
When is the best time to call from Seoul to Toronto?
The best time to call is during overlapping business hours (9 AM – 5 PM) in both cities. Use the interactive converter on this page to visually compare hours side by side.
Does the time difference change with daylight saving time?
The time difference may change when either city enters or exits daylight saving time. Seoul uses KST and Toronto uses EDT.
Time Difference: Seoul vs Toronto — 13 Hours | Timezone App