Time difference between Seoul and Shanghai

Shanghai is 1 hour behind Seoul.

South Korea · Korean Standard Time

9:35 AM

Thursday, November 12, 2026

China · China Standard Time

8:35 AM

Thursday, November 12, 2026

Seoul to Shanghai time converter

Green rows are office hours in both places; light green rows are when both are awake.

What is the time difference between Seoul and Shanghai?

Shanghai is 1 hour behind Seoul. Seoul is on UTC+9 and Shanghai is on UTC+8.

What time is it in Shanghai when it is 9 AM in Seoul?

When it is 9:00 AM in Seoul, it is 8:00 AM in Shanghai.

When is the best time to call Shanghai from Seoul?

The best time to call or meet is 10:00 AM–6:00 PM in Seoul (9:00 AM–5:00 PM in Shanghai), when both places are in normal office hours.

Which days are working days in both Seoul and Shanghai?

Both Seoul and Shanghai usually work Monday to Friday.

Does the time difference between Seoul and Shanghai change?

No. Neither Seoul nor Shanghai changes its clocks in a way that affects the difference, so it stays the same all year.

Seoul is 1 hour ahead of Shanghai. More: time in Seoul · time in Shanghai