Time Difference Between Seoul and Chengdu

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

Chengdu is 1 hour behind Seoul — 1 hour
Seoul, South Korea
05:56:25
Friday, March 27, 2026
UTC+9 · KST
Chengdu, China
04:56:25
Friday, March 27, 2026
UTC+8 · CST

Time Zone Details: Seoul vs Chengdu

Detail Seoul Chengdu
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 Seoul and Chengdu (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

10:00–17:00 in Seoul  =  09:00–16:00 in Chengdu

Hour-by-Hour Time Conversion

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

Seoul Chengdu
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 Seoul nor Chengdu 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 Seoul–Chengdu Scheduling

Compare Seoul and Chengdu with Other Cities

From Seoul

From Chengdu

Frequently Asked Questions

What is the time difference between Seoul and Chengdu?

The time difference is 1 hour. Chengdu is 1 hour behind Seoul.

Does the time difference change during the year?

It can. If either Seoul or Chengdu 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 Seoul to Chengdu?

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

How do I convert Seoul time to Chengdu time?

Subtract 1 hour from Seoul time to get Chengdu 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.