Time in Osan vs Beijing
Osan keeps KST (UTC+9) and Beijing keeps CST (UTC+8) today. Beijing is 1 hour behind Osan; 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: 09:00–17:00 in Beijing (10:00–18:00 your time).
| City | 00:00 in Osan | 01:00 in Osan | 02:00 in Osan | 03:00 in Osan | 04:00 in Osan | 05:00 in Osan | 06:00 in Osan | 07:00 in Osan | 08:00 in Osan | 09:00 in Osan | 10:00 in Osan | 11:00 in Osan | 12:00 in Osan | 13:00 in Osan | 14:00 in Osan | 15:00 in Osan | 16:00 in Osan | 17:00 in Osan | 18:00 in Osan | 19:00 in Osan | 20:00 in Osan | 21:00 in Osan | 22:00 in Osan | 23:00 in Osan |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Osan—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 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 |
- Working hours
- Shoulder
- Night
- Overlap
Do more with Osan and Beijing
Best hours to call
10:00 in Osan
Inside working hours on both sides
09:00 in Beijing
11:00 in Osan
Inside working hours on both sides
10:00 in Beijing
12:00 in Osan
Inside working hours on both sides
11:00 in Beijing
13:00 in Osan
Inside working hours on both sides
12:00 in Beijing
Where daylight saving pulls them apart
Neither Osan nor Beijing changes its clocks, so the gap above holds all year.
Also useful
Common questions
How many hours ahead is Beijing of Osan?
Beijing is 1 hour behind Osan right now. The gap is not fixed: it moves whenever either side changes its clocks.
What is the best time to call between Osan and Beijing?
Any hour in 10:00–18:00 Osan time is inside working hours in both cities.
Do Osan and Beijing change clocks on the same date?
Neither city changes its clocks, so the gap between them never moves.