Time Difference Between Chengdu and Seoul

The time difference between Chengdu and Seoul is 1 hour. When it is 12:00 noon in Chengdu, it is 13:00 in Seoul. Chengdu uses the Asia/Shanghai time zone (UTC+8), while Seoul uses Asia/Seoul (UTC+9).

Seoul is 1 hour ahead of Chengdu — 1 hour
Chengdu, China
06:21:57
Friday, March 27, 2026
UTC+8 · CST
Seoul, South Korea
07:21:57
Friday, March 27, 2026
UTC+9 · KST

Time Zone Details: Chengdu vs Seoul

Detail Chengdu Seoul
Time Zone IDAsia/ShanghaiAsia/Seoul
UTC OffsetUTC+8UTC+9
AbbreviationCSTKST
DST ActiveNoNo
CountryChinaSouth Korea
RegionAsiaAsia

Best Time to Schedule a Call

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

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

Hour-by-Hour Time Conversion

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

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

Daylight Saving Time (DST) Impact

Neither Chengdu nor Seoul 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 Chengdu–Seoul Scheduling

Compare Chengdu and Seoul with Other Cities

From Chengdu

From Seoul

Frequently Asked Questions

What is the time difference between Chengdu and Seoul?

The time difference is 1 hour. Seoul is 1 hour ahead of Chengdu.

Does the time difference change during the year?

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

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

How do I convert Chengdu time to Seoul time?

Add 1 hour to Chengdu time to get Seoul 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.