The short answer

1am in China Standard Time is 2am in Korea Standard Time.

China Standard Time is 1 hour behind Korea Standard Time. It lands deep outside working hours in Korea Standard Time — see the best time to meet below for a friendlier slot.

China Standard Time
1am
Korea Standard Time
2am
Right now
6:38pmCST · UTC+08:00 · Mon, Jun 22
7:38pmKST · UTC+09:00 · Mon, Jun 22
Read across to convert
China Standard Time
CST · UTC+08:00
6:38pm ☾
Korea Standard Time
KST · UTC+09:00
7:38pm ☾
Pinned1amChina Standard Time=2amKorea Standard Time
12amMon
1am
PINNED
1am
2am
2am
3am
3am
4am
4am
5am
5am
6am
6am
7am
7am
8am
8am
9am
WORK
9am
WORK
10am
WORK
10am
WORK
11am
WORK
11am
WORK
12pm
WORK
12pm
WORK
1pm
WORK
1pm
WORK
2pm
WORK
2pm
WORK
3pm
WORK
3pm
WORK
4pm
WORK
4pm
WORK
5pm
5pm
6pm
NOW
6pm
7pm
7pm
8pm
8pm
9pm
9pm
10pm
10pm
11pm
11pm
12amTue ·+1d
daylightnightworking hoursoverlap
Best time to meet
Best for a call
China Standard Time
9am–4pm
=
Korea Standard Time
10am–5pm
Popular conversions

Quick reference.

9amChina Standard Time=10amKorea Standard Time
12pmChina Standard Time=1pmKorea Standard Time
3pmChina Standard Time=4pmKorea Standard Time
5pmChina Standard Time=6pmKorea Standard Time
9pmChina Standard Time=10pmKorea Standard Time
In context

What each side covers.

China Standard Time
CST · UTC+08:00
6:38pm
Cities on this clock
Korea Standard Time
KST · UTC+09:00
7:38pm
Cities on this clock

Frequently asked

Quick answers about converting between China Standard Time and Korea Standard Time. Can't find what you need? Email [email protected].

What is the time difference between China Standard Time and Korea Standard Time?
China Standard Time is 1 hour behind Korea Standard Time right now. We always show the live, daylight-saving-correct difference, so this figure already accounts for whichever side is observing summer time today.
When it's 1am in China Standard Time, what time is it in Korea Standard Time?
1am in China Standard Time is 2am in Korea Standard Time. It lands deep outside working hours in Korea Standard Time — see the best time to meet below for a friendlier slot. Use the hour-by-hour table above to read any other time across.
What's the best time for a call between China Standard Time and Korea Standard Time?
9am–4pm in China Standard Time lines up with 10am–5pm in Korea Standard Time — both sides are inside a 9-to-5 working day.
Does this account for daylight saving time?
Yes. We track every clock change in both places, so the abbreviations you see — CST and KST — are the ones actually in effect right now, not a fixed all-year value. When either side changes its clocks, this page updates automatically.
Why is the date sometimes different on each side?
When two places are far enough apart, the same moment can fall on different calendar days. That is why some conversions are marked "previous day" or "next day" — it is the same instant in time, read off two clocks that crossed midnight at different points.