ClockinSync
ClockinSync

KST to CST Time Converter

Korea Standard TimeCentral Standard Time

KST = UTC+9CST = UTC-5

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

KST (Seoul)CST (Chicago)

No overlap — one side will join outside working hours

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

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

Frequently Asked Questions

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

Popular KST conversions

KST → LondonKST → New YorkKST → TokyoKST → DubaiKST → SydneyKST → ParisKST → BerlinKST → SingaporeKST → Los AngelesKST → Toronto

Popular CST conversions

London → CSTNew York → CSTTokyo → CSTDubai → CSTSydney → CSTParis → CSTBerlin → CSTSingapore → CSTLos Angeles → CSTToronto → CST