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