ClockinSync
ClockinSync

CST to KST Time Converter

Central Standard TimeKorea Standard Time

CST = UTC-5KST = UTC+9

⚠️ CST is ambiguous — on this page it means Central Standard Time. It also refers to:

CST (Chicago)KST (Seoul)

No overlap — one side will join outside working hours

CST (Chicago)
KST (Seoul)
00:00
14:00Working
01:00
15:00Working
02:00
16:00Working
03:00
17:00
04:00
18:00
05:00
19:00
06:00
20:00
07:00
21:00
08:00
22:00
09:00Working
23:00off
10:00Working
00:00+1doff
11:00Working
01:00+1doff
12:00Working
02:00+1doff
13:00Working
03:00+1doff
14:00Working
04:00+1doff
15:00Working
05:00+1doff
16:00Working
06:00+1doff
17:00
07:00+1d
18:00
08:00+1d
19:00
09:00+1dWorking
20:00
10:00+1dWorking
21:00
11:00+1dWorking
22:00
12:00+1dWorking
23:00
13:00+1dWorking

Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.

Frequently Asked Questions

What is the difference between cst and kst?
Central Standard Time (cst) is UTC-5 and Korea Standard Time (kst) is UTC+9. The difference between them is 14 hours.
Where is cst used?
Central Standard Time (cst) is used in USA and surrounding regions. The IANA timezone identifier is America/Chicago. Note: cst is ambiguous and may refer to other timezones.
Where is kst used?
Korea Standard Time (kst) is used in South Korea and surrounding regions. The IANA timezone identifier is Asia/Seoul.
How do I convert cst to kst?
Use the interactive converter above. Drag the time slider to any cst time and the kst equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.

Popular CST conversions

CST → LondonCST → New YorkCST → TokyoCST → DubaiCST → SydneyCST → ParisCST → BerlinCST → SingaporeCST → Los AngelesCST → Toronto

Popular KST conversions

London → KSTNew York → KSTTokyo → KSTDubai → KSTSydney → KSTParis → KSTBerlin → KSTSingapore → KSTLos Angeles → KSTToronto → KST