Time Difference: Shanghai vs Tehran
Shanghai
11:02:09 AM CST
Thursday, May 14, 2026
4h 30m
4h 30m
Tehran
6:32:09 AM IRST
Thursday, May 14, 2026
Tehran is 4.5 hours behind Shanghai.
Quick Reference
- Shanghai
- CST (GMT+8)
No Daylight Saving Time
- Tehran
- IRST (GMT+3:30)
No Daylight Saving Time
Frequently Asked Questions
- What is the time difference between Shanghai and Tehran?
- Tehran is 4.5 hours behind Shanghai.
- When is the best time to call from Shanghai to Tehran?
- 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. Shanghai uses CST and Tehran uses IRST.