Vienna to South Korea
+7hVienna
CESTSOURCESouth Korea
KSTGreen rows indicate typical business hours (9 AM - 5 PM)
CEST and KST on the World Map
The map below highlights the CEST (Central European Time) and KST (Korea Standard Time) timezone regions across the globe.
CET – Central European Time
UTC+01:00Central European Time (CET) is used across most of Western and Central Europe, 1 hour ahead of UTC.
- •CET covers more European countries than any other time zone.
- •Spain uses CET despite being geographically aligned with GMT/WET.
- •The Frankfurt Stock Exchange, Euronext (Amsterdam/Paris), and Borsa Italiana operate on CET.
- •Over 500 million people live in the CET time zone.
- •France moved to CET during the German occupation in WWII and never switched back.
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).
About Vienna
WikipediaVienna operates on Central European Time (CET/CEST). As a major EU hub and headquarters for international organizations, Vienna coordinates Central European business.
Vienna has more than 50 theaters and opera houses.
Everything You Need to Know About Vienna and South Korea Time
Vienna runs on Central European Summer Time (CEST) at UTC+02:00, currently observing daylight saving time. South Korea runs on Korean Standard Time (KST) at UTC+09:00. That puts Vienna 7 hours ahead of South Korea — a difference of +7h at the current offsets.
In practice, when it is 9:00 AM in Vienna it is 4:00 PM in South Korea. Midnight in Vienna is 7:00 AM in South Korea.Vienna observes daylight saving time while South Korea does not, so the gap narrows or widens by an hour part of the year.
Vienna to South Korea time conversion table
| Vienna (CEST) | South Korea (KST) | Day |
|---|---|---|
| 12:00 AM | 7:00 AM | same day |
| 6:00 AM | 1:00 PM | same day |
| 7:00 AM | 2:00 PM | same day |
| 8:00 AM | 3:00 PM | same day |
| 9:00 AM | 4:00 PM | same day |
| 12:00 PM | 7:00 PM | same day |
| 3:00 PM | 10:00 PM | same day |
| 5:00 PM | 12:00 AM | next day |
| 6:00 PM | 1:00 AM | next day |
| 9:00 PM | 4:00 AM | next day |
Why people convert Vienna to South Korea time
- Scheduling a call from Vienna to South Korea: a 10:00 AM start in Vienna lands at 5:00 PM in South Korea, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Vienna and South Korea are inside the 9-to-5 working day between 9:00 AM and 10:00 AM CEST time (4:00 PM–5:00 PM KST). That is roughly 1 hours of usable overlap.
- Watching a live event or market open: Vienna viewers need 4:00 PM in South Korea to catch a 9:00 AM start there, and 5:00 PM if the event is anchored to Vienna.
- Always state the zone abbreviation, not just the hour. "3:00 PM CEST" is unambiguous; "3 PM" across a +7h gap is not.
- Block 9:00 AM–10:00 AM CEST as the recurring meeting window if you work primarily from Vienna and need South Korea colleagues present.
- Vienna: Clocks fall back on Sun, Oct 25, 2026. Re-check this page after that date because the offset changes and so does the +7h gap.
About CET (Central European Time)
Central European Time (CET) is the standard time zone for most of Europe, covering over 30 countries from Spain to Poland, and from Norway to Italy. CET is 1 hour ahead of GMT and is used by the European Union's most populous nations. During summer, most CET countries switch to Central European Summer Time (CEST, UTC+02:00). Major European financial markets in Frankfurt, Paris, and Amsterdam operate on CET.
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.
Best time to call between Vienna and South Korea
Both Vienna and South Korea sit inside the 9 AM – 5 PM working day between 9:00 AM–10:00 AM CEST, which is 4:00 PM–5:00 PM KST. That gives roughly 1 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Vienna and South Korea overlap for only 60 minutes (9:00 AM–10:00 AM CEST), so meetings have to be booked precisely.
Vienna is 7 hours ahead of South Korea (CEST UTC+02:00 → KST UTC+09:00). The shared working window is 9:00 AM–10:00 AM CEST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Vienna
☀ Currently in DST
Standard: UTC+01:00 · DST: UTC+02:00
Clocks fall back on Sun, Oct 25, 2026
South Korea
Does not observe DST
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 Vienna and South Korea?
Vienna (CEST, UTC+02:00) is 7 hours ahead of South Korea (KST, UTC+09:00). The gap is currently +7h.
How do I convert Vienna time to South Korea time?
Add +7h to Vienna local time. For example, 9:00 AM in Vienna is 4:00 PM in South Korea.
What time is it in South Korea right now?
South Korea uses KST at UTC+09:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +7h offset from Vienna.
What is the best time to call South Korea from Vienna?
Call between 9:00 AM and 10:00 AM CEST — that maps to 4:00 PM–5:00 PM KST and keeps both parties inside the working day.
Which is ahead, Vienna or South Korea?
Vienna is 7 hours ahead of South Korea. When it is 12:00 PM in Vienna it is 7:00 PM in South Korea.
Do Vienna and South Korea use different time zones?
Vienna (Austria) uses CEST at UTC+02:00, while South Korea (South Korea) uses KST at UTC+09:00. The IANA identifiers are Europe/Vienna and Asia/Seoul.
Does daylight saving time affect the Vienna–South Korea difference?
Yes at the moment: Vienna is on daylight saving time and South Korea is not, so the +7h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Vienna's time zone?
CEST also covers Paris, Berlin, Rome, Madrid, Amsterdam, Brussels, Vienna, Warsaw and 10 more.
Which countries use CEST, Vienna's zone?
CEST is used in Germany, France, Italy, Spain, Netherlands, Belgium, Austria, Switzerland and 19 more.
Is there a day difference between Vienna and South Korea?
Not normally. The +7h gap only pushes the date over for late-evening times.
What is the time difference between Vienna and South Korea?
South Korea is +7h from Vienna.
What timezone is Vienna in?
Vienna operates on Central European Time (CET/CEST). As a major EU hub and headquarters for international organizations, Vienna coordinates Central European business.
What timezone is South Korea in?
South Korea operates on its local timezone.
What are the business hours in Vienna?
Standard business hours in Vienna are 8:00 AM - 5:00 PM CET.
Which countries use CET (Central European Time)?
CET is used in Germany, France, Italy, Spain, Netherlands, Belgium, and 21 more countries.
Does CET observe daylight saving time?
Yes, CET switches to CEST during summer months.
What are some interesting facts about CET?
CET covers more European countries than any other time zone. Spain uses CET despite being geographically aligned with GMT/WET.
Which cities are in the KST timezone?
Major cities in the KST timezone include Seoul, Busan, Incheon, Daegu, Daejeon, Pyongyang.
What is the UTC offset for KST?
Korea Standard Time (KST) is at UTC+09:00.
What should I know about the KST timezone?
South Korea does not observe daylight saving time. Seoul is home to Samsung, LG, and Hyundai headquarters.
When is it midnight in Vienna, what time is it in South Korea?
When it is 12:00 AM (midnight) in Vienna (CET), it is +7h later in South Korea (KST).
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