South Korea to COT
-14hSouth Korea
KSTSOURCECOT
COTGreen rows indicate typical business hours (9 AM - 5 PM)
KST and COT on the World Map
The map below highlights the KST (Korea Standard Time) and COT (Colombia Time) timezone regions across the globe.
KST – Korea Standard Time
UTC+09:00Korea Standard Time (KST) is the time zone for South Korea, 9 hours ahead of UTC.
- •South Korea does not observe daylight saving time.
- •Seoul is home to Samsung, LG, and Hyundai headquarters.
- •KST is the same offset as JST (UTC+09:00).
COT – Colombia Time
UTC-05:00Colombia Time (COT) is the standard time for Colombia, 5 hours behind UTC.
- •Colombia does not observe daylight saving time.
- •COT is the same offset as EST (UTC-05:00).
- •Bogotá sits at 2,640m elevation, making it one of the highest capital cities.
Understanding the -14h Gap: South Korea vs COT
South Korea runs on Korean Standard Time (KST) at UTC+09:00. COT runs on Colombia Time (COT) at UTC-05:00. That puts South Korea 14 hours behind COT — a difference of -14h at the current offsets.
In practice, when it is 9:00 AM in South Korea it is 7:00 PM in COT on the previous day. Midnight in South Korea is 10:00 AM in COT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
South Korea to COT time conversion table
| South Korea (KST) | COT (COT) | Day |
|---|---|---|
| 12:00 AM | 10:00 AM | previous day |
| 6:00 AM | 4:00 PM | previous day |
| 7:00 AM | 5:00 PM | previous day |
| 8:00 AM | 6:00 PM | previous day |
| 9:00 AM | 7:00 PM | previous day |
| 12:00 PM | 10:00 PM | previous day |
| 3:00 PM | 1:00 AM | same day |
| 5:00 PM | 3:00 AM | same day |
| 6:00 PM | 4:00 AM | same day |
| 9:00 PM | 7:00 AM | same day |
Why people convert South Korea to COT time
- Scheduling a call from South Korea to COT: a 10:00 AM start in South Korea lands at 8:00 PM in COT the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -14h gap: South Korea and COT have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in COT is 7:00 PM in South Korea.
- Coordinating a South Korea-based team with COT contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM KST" is unambiguous; "3 PM" across a -14h gap is not.
- With a -14h gap there is no shared 9-to-5 window, so alternate the early start: one week South Korea takes the early slot, the next week COT does.
About KST (Korea Standard Time)
Korea Standard Time (KST) is the time zone used in South Korea. It shares the same UTC offset as Japan Standard Time but is a distinct time zone. South Korea does not observe daylight saving time. Seoul, the capital, is a major global tech and business hub.
About COT (Colombia Time)
Colombia Time (COT) is used throughout Colombia. Colombia does not observe daylight saving time. COT shares the same offset as EST (UTC-05:00). Bogotá, the capital, is one of the largest cities in South America.
Best time to call between South Korea and COT
With a -14h offset there is no overlap inside a normal 9 AM – 5 PM day. COT opens at 9:00 AM COT, which is 7:00 PM in South Korea, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
South Korea and COT have no shared working hours because of the -14h gap. Teams need to alternate early starts or rely on asynchronous handovers.
South Korea is 14 hours behind COT (KST UTC+09:00 → COT UTC-05:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between South Korea and COT?
South Korea (KST, UTC+09:00) is 14 hours behind COT (COT, UTC-05:00). The gap is currently -14h.
How do I convert South Korea time to COT time?
Add -14h to South Korea local time. For example, 9:00 AM in South Korea is 7:00 PM in COT (previous day).
What time is it in COT right now?
COT uses COT at UTC-05:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -14h offset from South Korea.
What is the best time to call COT from South Korea?
There is no shared working-hours window because of the -14h gap. The closest option is 1:00 PM in South Korea, which is 11:00 PM in COT.
Which is behind, South Korea or COT?
South Korea is 14 hours behind COT. When it is 12:00 PM in South Korea it is 10:00 PM in COT.
Do South Korea and COT use different time zones?
South Korea (South Korea) uses KST at UTC+09:00, while COT uses COT at UTC-05:00. The IANA identifiers are Asia/Seoul and America/Bogota.
Does daylight saving time affect the South Korea–COT difference?
Neither zone observes daylight saving time, so the -14h offset between South Korea and COT is fixed all year.
Which other cities share South Korea's time zone?
KST also covers Seoul, Busan, Incheon, Daegu, Daejeon, Pyongyang.
Which countries use KST, South Korea's zone?
KST is used in South Korea, North Korea.
Is there a day difference between South Korea and COT?
Sometimes. The -14h gap is large enough that 8:00 PM or later in South Korea already falls on the in COT.
What is the time difference between South Korea and COT?
COT is -14h from South Korea.
What timezone is South Korea in?
South Korea operates on its local timezone.
What timezone is COT in?
COT operates on its local timezone.
Which countries use KST (Korea Standard Time)?
KST is used in South Korea, North Korea.
Does KST observe daylight saving time?
No, KST does not observe daylight saving time and remains at UTC+09:00 year-round.
What are some interesting facts about KST?
South Korea does not observe daylight saving time. Seoul is home to Samsung, LG, and Hyundai headquarters.
Which cities are in the COT timezone?
Major cities in the COT timezone include Bogotá, Medellín, Cali, Barranquilla, Cartagena.
What is the UTC offset for COT?
Colombia Time (COT) is at UTC-05:00.
What should I know about the COT timezone?
Colombia does not observe daylight saving time. COT is the same offset as EST (UTC-05:00).
When is it midnight in South Korea, what time is it in COT?
When it is 12:00 AM (midnight) in South Korea (KST), it is -14h later in COT (COT).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More South Korea time conversions
- south korea to seoul
- south korea to kst
- south korea to new york
- south korea to london
- south korea to dubai
- south korea to tokyo
- south korea to singapore
- south korea to sydney
- south korea to los angeles
- south korea to paris
- south korea to delhi
- south korea to mumbai
- south korea to berlin
- south korea to hong kong
- south korea to toronto
- south korea to kathmandu
- new york to south korea
- london to south korea
- dubai to south korea
- tokyo to south korea
- singapore to south korea
- sydney to south korea
- los angeles to south korea
- paris to south korea
- delhi to south korea
- mumbai to south korea
- berlin to south korea
- hong kong to south korea
- toronto to south korea
- kathmandu to south korea
See every conversion from South Korea →·See every conversion from COT →