South Korea to Buenos Aires
-12hSouth Korea
KSTSOURCEBuenos Aires
ARTGreen rows indicate typical business hours (9 AM - 5 PM)
KST and ART on the World Map
The map below highlights the KST (Korea Standard Time) and ART (Argentina 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).
ART – Argentina Time
UTC-03:00Argentina Time (ART) is the standard time for Argentina, 3 hours behind UTC.
- •Argentina does not observe daylight saving time.
- •Buenos Aires is one of the most visited cities in South America.
- •ART is the same offset as BRT (UTC-03:00).
About Buenos Aires
WikipediaBuenos Aires operates on Argentina Time (ART), UTC-3. As South America's most European city, Buenos Aires coordinates with Brazilian markets in the same timezone.
The Teatro Colón is considered one of the best opera houses in the world for acoustics.
South Korea to Buenos Aires Time Difference – Complete Guide
South Korea runs on Korean Standard Time (KST) at UTC+09:00. Buenos Aires runs on Argentina Standard Time (ART) at UTC-03:00. That puts South Korea 12 hours behind Buenos Aires — a difference of -12h at the current offsets.
In practice, when it is 9:00 AM in South Korea it is 9:00 PM in Buenos Aires on the previous day. Midnight in South Korea is 12:00 PM in Buenos Aires. Neither zone observes daylight saving time, so the offset between them stays constant all year.
South Korea to Buenos Aires time conversion table
| South Korea (KST) | Buenos Aires (ART) | Day |
|---|---|---|
| 12:00 AM | 12:00 PM | previous day |
| 6:00 AM | 6:00 PM | previous day |
| 7:00 AM | 7:00 PM | previous day |
| 8:00 AM | 8:00 PM | previous day |
| 9:00 AM | 9:00 PM | previous day |
| 12:00 PM | 12:00 AM | same day |
| 3:00 PM | 3:00 AM | same day |
| 5:00 PM | 5:00 AM | same day |
| 6:00 PM | 6:00 AM | same day |
| 9:00 PM | 9:00 AM | same day |
Why people convert South Korea to Buenos Aires time
- Scheduling a call from South Korea to Buenos Aires: a 10:00 AM start in South Korea lands at 10:00 PM in Buenos Aires the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -12h gap: South Korea and Buenos Aires 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 Buenos Aires is 9:00 PM in South Korea.
- Watching a live event or market open: South Korea viewers need 9:00 PM in Buenos Aires to catch a 9:00 AM start there, and 12:00 PM if the event is anchored to South Korea.
- Always state the zone abbreviation, not just the hour. "3:00 PM KST" is unambiguous; "3 PM" across a -12h gap is not.
- With a -12h 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 Buenos Aires 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 ART (Argentina Time)
Argentina Time (ART) is the time zone used throughout Argentina. Argentina does not observe daylight saving time. ART shares the same offset as Brasilia Time (BRT) and Uruguay's UYT.
Best time to call between South Korea and Buenos Aires
With a -12h offset there is no overlap inside a normal 9 AM – 5 PM day. Buenos Aires opens at 9:00 AM ART, which is 9:00 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 Buenos Aires have no shared working hours because of the -12h gap. Teams need to alternate early starts or rely on asynchronous handovers.
South Korea is 12 hours behind Buenos Aires (KST UTC+09:00 → ART UTC-03:00). 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 Buenos Aires?
South Korea (KST, UTC+09:00) is 12 hours behind Buenos Aires (ART, UTC-03:00). The gap is currently -12h.
How do I convert South Korea time to Buenos Aires time?
Add -12h to South Korea local time. For example, 9:00 AM in South Korea is 9:00 PM in Buenos Aires (previous day).
What time is it in Buenos Aires right now?
Buenos Aires uses ART at UTC-03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -12h offset from South Korea.
What is the best time to call Buenos Aires from South Korea?
There is no shared working-hours window because of the -12h gap. The closest option is 1:00 PM in South Korea, which is 1:00 AM in Buenos Aires.
Which is behind, South Korea or Buenos Aires?
South Korea is 12 hours behind Buenos Aires. When it is 12:00 PM in South Korea it is 12:00 AM in Buenos Aires.
Do South Korea and Buenos Aires use different time zones?
South Korea (South Korea) uses KST at UTC+09:00, while Buenos Aires (Argentina) uses ART at UTC-03:00. The IANA identifiers are Asia/Seoul and America/Buenos_Aires.
Does daylight saving time affect the South Korea–Buenos Aires difference?
Neither zone observes daylight saving time, so the -12h offset between South Korea and Buenos Aires 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 Buenos Aires?
Sometimes. The -12h gap is large enough that 8:00 PM or later in South Korea already falls on the in Buenos Aires.
What is the time difference between South Korea and Buenos Aires?
Buenos Aires is -12h from South Korea.
What timezone is South Korea in?
South Korea operates on its local timezone.
What timezone is Buenos Aires in?
Buenos Aires operates on Argentina Time (ART), UTC-3. As South America's most European city, Buenos Aires coordinates with Brazilian markets in the same timezone.
What are the business hours in Buenos Aires?
Standard business hours in Buenos Aires are 9:00 AM - 6:00 PM ART.
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 ART timezone?
Major cities in the ART timezone include Buenos Aires, Córdoba, Rosario, Mendoza, La Plata, Tucumán.
What is the UTC offset for ART?
Argentina Time (ART) is at UTC-03:00.
What should I know about the ART timezone?
Argentina does not observe daylight saving time. Buenos Aires is one of the most visited cities in South America.
When is it midnight in South Korea, what time is it in Buenos Aires?
When it is 12:00 AM (midnight) in South Korea (KST), it is -12h later in Buenos Aires (ART).
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 Buenos Aires →