Offset
The time difference between Seoul and Vienna is 7 hours.
Seoul (KST) is ahead of Vienna (CEST).
KST: UTC+9
CEST: UTC+2
Vienna is currently observing daylight saving time; Seoul is not.
When to schedule
Business-hours overlap: 4 PM–5 PM in Seoul (9 AM–10 AM in Vienna).
Both teams are in working hours during this window on weekdays.
Suggested time: 4:00 PM Seoul (9:00 AM Vienna).
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
South Korea
- New Year's DayThu, Jan 1
- Lunar New YearMon, Feb 16
- Lunar New YearTue, Feb 17
- Lunar New YearWed, Feb 18
- Independence Movement DayMon, Mar 2
- Labour DayFri, May 1
- Children's DayTue, May 5
- Buddha's BirthdayMon, May 25
- Local Election DayWed, Jun 3
- Memorial DaySat, Jun 6
- Constitution DayFri, Jul 17
- Liberation DayMon, Aug 17
- ChuseokThu, Sep 24
- ChuseokFri, Sep 25
- ChuseokSat, Sep 26
- National Foundation DayMon, Oct 5
- Hangul DayFri, Oct 9
- Christmas DayFri, Dec 25
Austria
- New Year's DayThu, Jan 1
- EpiphanyTue, Jan 6
- Easter SundaySun, Apr 5
- Easter MondayMon, Apr 6
- National HolidayFri, May 1
- Ascension DayThu, May 14
- PentecostSun, May 24
- Whit MondayMon, May 25
- Corpus ChristiThu, Jun 4
- Assumption DaySat, Aug 15
- National HolidayMon, Oct 26
- All Saints' DaySun, Nov 1
- Immaculate ConceptionTue, Dec 8
- Christmas DayFri, Dec 25
- St. Stephen's DaySat, Dec 26
About these zones
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Seoul | Vienna | Day |
|---|---|---|
| 12:00 am | 5:00 pm | -1 day |
| 1:00 am | 6:00 pm | -1 day |
| 2:00 am | 7:00 pm | -1 day |
| 3:00 am | 8:00 pm | -1 day |
| 4:00 am | 9:00 pm | -1 day |
| 5:00 am | 10:00 pm | -1 day |
| 6:00 am | 11:00 pm | -1 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 |
| 10:00 am | 3:00 am | Same day |
| 11:00 am | 4:00 am | Same day |
| 12:00 pm | 5:00 am | Same day |
| 1:00 pm | 6:00 am | Same day |
| 2:00 pm | 7:00 am | Same day |
| 3:00 pm | 8:00 am | Same day |
| 4:00 pm | 9:00 am | Same day |
| 5:00 pm | 10:00 am | Same day |
| 6:00 pm | 11:00 am | Same day |
| 7:00 pm | 12:00 pm | Same day |
| 8:00 pm | 1:00 pm | Same day |
| 9:00 pm | 2:00 pm | Same day |
| 10:00 pm | 3:00 pm | Same day |
| 11:00 pm | 4:00 pm | Same day |
Daylight saving time
Vienna observes daylight saving time; Seoul does not. The offset between the two zones changes when Vienna transitions: on Sunday, October 25, 2026, clocks fall back from CEST to CET.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:12 AM
- Sunset
- 7:52 PM
- Day length
- 14h 41m
- Sunrise
- 4:56 AM
- Sunset
- 8:53 PM
- Day length
- 15h 57m
Daylight overlap: 7h 56m — 11:56 AM–7:52 PM in Seoul (4:56 AM–12:52 PM in Vienna). Both locations are in daylight during this window.
Cities in these zones
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Korea Standard Time
- GMP
- ICN
- PUS
- TAE
- CJJ
- KWJ
- MWX
Airports in Central European Time
- VIE
Related conversions
Common conversions
- What is 9:00 am Seoul in Vienna?
- 9:00 am Seoul is 2:00 am Vienna.
- What is 12:00 pm Seoul in Vienna?
- 12:00 pm Seoul is 5:00 am Vienna.
- What is 12:30 pm Seoul in Vienna?
- 12:30 pm Seoul is 5:30 am Vienna.
- What is 2:00 pm Seoul in Vienna?
- 2:00 pm Seoul is 7:00 am Vienna.
- What is 5:00 pm Seoul in Vienna?
- 5:00 pm Seoul is 10:00 am Vienna.
- What is 11:30 pm Seoul in Vienna?
- 11:30 pm Seoul is 4:30 pm Vienna.