KST to CEST
-7hKST
KSTSOURCECEST
CESTGreen rows indicate typical business hours (9 AM - 5 PM)
KST and CEST on the World Map
The map below highlights the KST (Korea Standard Time) and CEST (Central European Summer 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).
CEST – Central European Summer Time
UTC+02:00Central European Summer Time (CEST) is the daylight saving time in Central Europe, 2 hours ahead of UTC.
- •CEST runs from the last Sunday of March to the last Sunday of October.
- •The EU has voted to abolish clock changes but implementation has been delayed.
- •CEST shares the same offset as EET (UTC+02:00).
Everything You Need to Know About KST and CEST Time
KST runs on Korea Standard Time (KST) at UTC+09:00. CEST runs on Central European Summer Time (CEST) at UTC+02:00. That puts KST 7 hours behind CEST — a difference of -7h at the current offsets.
In practice, when it is 9:00 AM in KST it is 2:00 AM in CEST. Midnight in KST is 5:00 PM in CEST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
KST to CEST time conversion table
| KST (KST) | CEST (CEST) | Day |
|---|---|---|
| 12:00 AM | 5:00 PM | previous day |
| 6:00 AM | 11:00 PM | previous day |
| 7:00 AM | 12:00 AM | same day |
| 8:00 AM | 1:00 AM | same day |
| 9:00 AM | 2:00 AM | same day |
| 12:00 PM | 5:00 AM | same day |
| 3:00 PM | 8:00 AM | same day |
| 5:00 PM | 10:00 AM | same day |
| 6:00 PM | 11:00 AM | same day |
| 9:00 PM | 2:00 PM | same day |
Why people convert KST to CEST time
- Scheduling a call from KST to CEST: a 10:00 AM start in KST lands at 3:00 AM in CEST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both KST and CEST are inside the 9-to-5 working day between 4:00 PM and 5:00 PM KST time (9:00 AM–10:00 AM CEST). That is roughly 1 hours of usable overlap.
- Booking travel or deliveries: tracking CEST local time against KST keeps pickup windows and arrival estimates honest across the -7h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM KST" is unambiguous; "3 PM" across a -7h gap is not.
- Block 4:00 PM–5:00 PM KST as the recurring meeting window if you work primarily from KST and need CEST colleagues present.
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 CEST (Central European Summer Time)
Central European Summer Time (CEST) is observed from the last Sunday of March to the last Sunday of October across most of Europe. During CEST, clocks are 2 hours ahead of UTC. The EU has debated abolishing seasonal clock changes since 2019.
Best time to call between KST and CEST
Both KST and CEST sit inside the 9 AM – 5 PM working day between 4:00 PM–5:00 PM KST, which is 9:00 AM–10:00 AM CEST. That gives roughly 1 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
KST and CEST overlap for only 60 minutes (4:00 PM–5:00 PM KST), so meetings have to be booked precisely.
KST is 7 hours behind CEST (KST UTC+09:00 → CEST UTC+02:00). The shared working window is 4:00 PM–5:00 PM KST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
KST
Does not observe DST
CEST
☀ Currently in DST
Standard: UTC+01:00 · DST: UTC+02:00
Clocks fall back on Sun, Oct 25, 2026
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 KST and CEST?
KST (KST, UTC+09:00) is 7 hours behind CEST (CEST, UTC+02:00). The gap is currently -7h.
How do I convert KST time to CEST time?
Add -7h to KST local time. For example, 9:00 AM in KST is 2:00 AM in CEST.
What time is it in CEST right now?
CEST uses CEST at UTC+02:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -7h offset from KST.
What is the best time to call CEST from KST?
Call between 4:00 PM and 5:00 PM KST — that maps to 9:00 AM–10:00 AM CEST and keeps both parties inside the working day.
Which is behind, KST or CEST?
KST is 7 hours behind CEST. When it is 12:00 PM in KST it is 5:00 AM in CEST.
Does daylight saving time affect the KST–CEST difference?
Neither zone observes daylight saving time, so the -7h offset between KST and CEST is fixed all year.
Which other cities share KST's time zone?
KST also covers Seoul, Busan, Incheon, Daegu, Daejeon, Pyongyang.
Which countries use KST, KST's zone?
KST is used in South Korea, North Korea.
Is there a day difference between KST and CEST?
Not normally. The -7h gap only pushes the date over the previous day.
What is the time difference between KST and CEST?
CEST is -7h from KST.
What timezone is KST in?
KST operates on its local timezone.
What timezone is CEST in?
CEST 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 CEST timezone?
Major cities in the CEST timezone include Paris, Berlin, Rome, Madrid, Amsterdam, Vienna, Stockholm.
What is the UTC offset for CEST?
Central European Summer Time (CEST) is at UTC+02:00. During daylight saving time, it shifts to CET.
What should I know about the CEST timezone?
CEST runs from the last Sunday of March to the last Sunday of October. The EU has voted to abolish clock changes but implementation has been delayed.
When is it midnight in KST, what time is it in CEST?
When it is 12:00 AM (midnight) in KST (KST), it is -7h later in CEST (CEST).
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See every conversion from KST →·See every conversion from CEST →