Time in Shanghai vs Tehran
Shanghai keeps CST (UTC+8) and Tehran keeps UTC+3:30 (UTC+3:30) today. Tehran is 4½ hours behind Shanghai; the rows below read both clocks live.
The working day, side by side
Hours shaded in both rows are inside working hours in both cities: 09:00–14:00 in Tehran (13:00–18:00 your time).
| City | 00:00 in Shanghai | 01:00 in Shanghai | 02:00 in Shanghai | 03:00 in Shanghai | 04:00 in Shanghai | 05:00 in Shanghai | 06:00 in Shanghai | 07:00 in Shanghai | 08:00 in Shanghai | 09:00 in Shanghai | 10:00 in Shanghai | 11:00 in Shanghai | 12:00 in Shanghai | 13:00 in Shanghai | 14:00 in Shanghai | 15:00 in Shanghai | 16:00 in Shanghai | 17:00 in Shanghai | 18:00 in Shanghai | 19:00 in Shanghai | 20:00 in Shanghai | 21:00 in Shanghai | 22:00 in Shanghai | 23:00 in Shanghai |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Shanghai—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Tehran—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
- Working hours
- Shoulder
- Night
- Overlap
Do more with Shanghai and Tehran
Best hours to call
13:00 in Shanghai
Inside working hours on both sides
09:00 in Tehran
14:00 in Shanghai
Inside working hours on both sides
10:00 in Tehran
15:00 in Shanghai
Inside working hours on both sides
11:00 in Tehran
16:00 in Shanghai
Inside working hours on both sides
12:00 in Tehran
Where daylight saving pulls them apart
Neither Shanghai nor Tehran changes its clocks, so the gap above holds all year.
Also useful
Common questions
How many hours ahead is Tehran of Shanghai?
Tehran is 4½ hours behind Shanghai right now. The gap is not fixed: it moves whenever either side changes its clocks.
What is the best time to call between Shanghai and Tehran?
Any hour in 13:00–18:00 Shanghai time is inside working hours in both cities.
Do Shanghai and Tehran change clocks on the same date?
Neither city changes its clocks, so the gap between them never moves.