Time in Shanghai vs Ulsan
Shanghai keeps CST (UTC+8) and Ulsan keeps KST (UTC+9) today. Ulsan is 1 hour ahead of 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: 10:00–18:00 in Ulsan (09:00–17:00 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 |
| Ulsan—— | 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 Ulsan
Best hours to call
09:00 in Shanghai
Inside working hours on both sides
10:00 in Ulsan
10:00 in Shanghai
Inside working hours on both sides
11:00 in Ulsan
11:00 in Shanghai
Inside working hours on both sides
12:00 in Ulsan
12:00 in Shanghai
Inside working hours on both sides
13:00 in Ulsan
Where daylight saving pulls them apart
Neither Shanghai nor Ulsan changes its clocks, so the gap above holds all year.
Also useful
Common questions
How many hours ahead is Ulsan of Shanghai?
Ulsan is 1 hour ahead of 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 Ulsan?
Any hour in 09:00–17:00 Shanghai time is inside working hours in both cities.
Do Shanghai and Ulsan change clocks on the same date?
Neither city changes its clocks, so the gap between them never moves.