Time Difference Between Busan and Shanghai

The time difference between Busan and Shanghai is 1 hour. When it is 12:00 noon in Busan, it is 11:00 in Shanghai. Busan uses the Asia/Seoul time zone (UTC+9), while Shanghai uses Asia/Shanghai (UTC+8).

Shanghai is 1 hour behind Busan — 1 hour
Busan, South Korea
07:19:53
Friday, March 27, 2026
UTC+9 · KST
Shanghai, China
06:19:53
Friday, March 27, 2026
UTC+8 · CST

Time Zone Details: Busan vs Shanghai

Detail Busan Shanghai
Time Zone IDAsia/SeoulAsia/Shanghai
UTC OffsetUTC+9UTC+8
AbbreviationKSTCST
DST ActiveNoNo
CountrySouth KoreaChina
RegionAsiaAsia

Best Time to Schedule a Call

There are 7 overlapping business hours between Busan and Shanghai (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

10:00–17:00 in Busan  =  09:00–16:00 in Shanghai

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Busan time to Shanghai time. Rows highlighted in green indicate overlapping business hours in both cities.

Busan Shanghai
00:00 23:00 (-1 day) Night
01:00 00:00 Night
02:00 01:00 Night
03:00 02:00 Night
04:00 03:00 Night
05:00 04:00 Night
06:00 05:00
07:00 06:00
08:00 07:00
09:00 08:00
10:00 09:00 Overlap
11:00 10:00 Overlap
12:00 11:00 Overlap
13:00 12:00 Overlap
14:00 13:00 Overlap
15:00 14:00 Overlap
16:00 15:00 Overlap
17:00 16:00
18:00 17:00
19:00 18:00
20:00 19:00
21:00 20:00
22:00 21:00 Night
23:00 22:00 Night

Daylight Saving Time (DST) Impact

Neither Busan nor Shanghai is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.

Practical Tips for Busan–Shanghai Scheduling

Compare Busan and Shanghai with Other Cities

From Busan

From Shanghai

Frequently Asked Questions

What is the time difference between Busan and Shanghai?

The time difference is 1 hour. Shanghai is 1 hour behind Busan.

Does the time difference change during the year?

It can. If either Busan or Shanghai observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).

When is the best time to call from Busan to Shanghai?

The best window is between 10:00 and 17:00 Busan time, which corresponds to 09:00–16:00 in Shanghai. Both sides fall within normal business hours.

How do I convert Busan time to Shanghai time?

Subtract 1 hour from Busan time to get Shanghai time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.