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