Time Difference: Tehran vs Toronto
Tehran
6:58:34 PM IRST
Friday, November 13, 2026
8h 30m
8h 30m
Toronto
10:28:34 AM EST
Friday, November 13, 2026
Toronto is 8.5 hours behind Tehran.
Quick Reference
- Tehran
- IRST (GMT+3:30)
No Daylight Saving Time
- Toronto
- EST (GMT-5)
EDT starts on Mar 14, 2027
Frequently Asked Questions
- What is the time difference between Tehran and Toronto?
- Toronto is 8.5 hours behind Tehran.
- When is the best time to call from Tehran 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. Tehran uses IRST and Toronto uses EST.