KST to CT Converter
Quick answers
Selected conversion
9:00 pm21:00 KST (UTC+9), Oct 10, 2026 = 7:00 am07:00 CDT (UTC-5), Oct 10, 2026
KST is 14 hours ahead of CDT.
How the time difference changes
For most of the year, KST is 14 hours ahead of CT. At other times of the year, KST is 15 hours ahead of CT.
For most of the year, working hours of 9:00 am to 5:00 pm in KST correspond to 7:00 pm (previous day) to 3:00 am in CT. At other times of the year, working hours of 9:00 am to 5:00 pm in KST correspond to 6:00 pm (previous day) to 2:00 am in CT.For most of the year, working hours of 09:00 to 17:00 in KST correspond to 19:00 (previous day) to 03:00 in CT. At other times of the year, working hours of 09:00 to 17:00 in KST correspond to 18:00 (previous day) to 02:00 in CT.
Compare KST time with CT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Korea Standard Time is 14 hours ahead of Central Daylight Time.
9:00 pm21:00 in KST is 7:00 am07:00 in CDT
KST to CDT call time
Best time for a conference call or a meeting is between 7:30am-8:30am07:30-08:30 in KST which corresponds to 5:30pm-6:30pm17:30-18:30 in CDT (previous day)
9:00 pm21:00 Korea Standard Time (KST). Offset UTC +9:00 hours
7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
9:00 pm21:00 KST / 7:00 am07:00 CDT
| KST | CT |
|---|---|
| 12:00am | 10:00am |
| 1:00am | 11:00am |
| 2:00am | 12:00pm |
| 3:00am | 1:00pm |
| 4:00am | 2:00pm |
| 5:00am | 3:00pm |
| 6:00am | 4:00pm |
| 7:00am | 5:00pm |
| 8:00am | 6:00pm |
| 9:00am | 7:00pm |
| 10:00am | 8:00pm |
| 11:00am | 9:00pm |
| 12:00pm | 10:00pm |
| 1:00pm | 11:00pm |
| 2:00pm | 12:00am |
| 3:00pm | 1:00am |
| 4:00pm | 2:00am |
| 5:00pm | 3:00am |
| 6:00pm | 4:00am |
| 7:00pm | 5:00am |
| 8:00pm | 6:00am |
| 9:00pm | 7:00am |
| 10:00pm | 8:00am |
| 11:00pm | 9:00am |
| 00:00 | 10:00 |
| 01:00 | 11:00 |
| 02:00 | 12:00 |
| 03:00 | 13:00 |
| 04:00 | 14:00 |
| 05:00 | 15:00 |
| 06:00 | 16:00 |
| 07:00 | 17:00 |
| 08:00 | 18:00 |
| 09:00 | 19:00 |
| 10:00 | 20:00 |
| 11:00 | 21:00 |
| 12:00 | 22:00 |
| 13:00 | 23:00 |
| 14:00 | 00:00 |
| 15:00 | 01:00 |
| 16:00 | 02:00 |
| 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 | 09:00 |
Korea Standard Time
Offset: KST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: Korea (North), Korea (South)
Principal Cities: The largest city in the KST time zone is Seoul in South Korea, with about 10.349 million people. Other major cities in this time zone include Busan, Pyongyang, Incheon, Daegu.
Daylight Saving: Clocks in Korea Standard Time (KST) do not change for daylight saving time, so KST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
KST representations, usage and related time zones
- +09 - basic short
- +0900 - basic
- +09:00 - extended
- +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates an offset of nine hours to the east of the zero meridian.
- India - Military abbreviation for KST
- I - short form of 'India'
- Asia/Pyongyang
- Asia/Seoul
- ROK
- Korea Standard Time - UTC +9
- Pyongyang Time - UTC +8:30
- AWDT - Australian Western Daylight Time
- CHOST - Choibalsan Summer Time
- I - India Time Zone
- IRKST - Irkutsk Summer Time
- JST - Japan Standard Time
- KST - Korea Standard Time
- PWT - Palau Time
- TLT - East Timor Time
- ULAST - Ulaanbaatar Summer Time
- WIT - Eastern Indonesian Time
- YAKT - Yakutsk Time
Central Time
Central Time (CT) is a general term used to describe the areas that observe either the Central Standard Time (CST) or Central Daylight Time (CDT) in the United States and Canada. CT is not static but switches between CDT and CST.
Territories observing the time zone are primarily in North and Central America. It runs through several Mexican and U.S. states, as well as several Canadian provinces and Central American countries.
Countries using this time zone: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States.
Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Iztapalapa, Ecatepec.
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
CT representations, usage and related time zones
- -06 - basic short
- -0600 - basic
- -06:00 - extended
- -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the west of the zero meridian.
- Sierra - Military abbreviation for CT
- S - short form of 'Sierra'
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone