Seoul to Les Ulis time converter

Les Ulis is 7 hours behind Seoul. When it is 9:00 AM in Seoul, it is 2:00 AM in Les Ulis.

Seoul KST

Thursday, October 22, 2026

Les Ulis CEST

Wednesday, October 21, 2026

Seoul
South Korea
Thu, Oct 22
KSTUTC+9
Les Ulis
France
Wed, Oct 21
CESTUTC+2-7h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to Les Ulis conversion table

Every hour of today in Seoul and the matching time in Les Ulis. Light rows are typical working hours (9:00–18:00).

SeoulLes Ulis
12:00 AM5:00 PM−1 day
1:00 AM6:00 PM−1 day
2:00 AM7:00 PM−1 day
3:00 AM8:00 PM−1 day
4:00 AM9:00 PM−1 day
5:00 AM10:00 PM−1 day
6:00 AM11:00 PM−1 day
7:00 AM12:00 AM
8:00 AM1:00 AM
9:00 AM2:00 AM
10:00 AM3:00 AM
11:00 AM4:00 AM
12:00 PM5:00 AM
1:00 PM6:00 AM
2:00 PM7:00 AM
3:00 PM8:00 AM
4:00 PM9:00 AM
5:00 PM10:00 AM
6:00 PM11:00 AM
7:00 PM12:00 PM
8:00 PM1:00 PM
9:00 PM2:00 PM
10:00 PM3:00 PM
11:00 PM4:00 PM

Best time to call or meet

Both sides are at work from 4:00 PM – 6:00 PM in Seoul (9:00 AM – 11:00 AM in Les Ulis).

Daylight saving time and the difference

The difference changes during the year because Seoul and Les Ulis switch clocks on different dates:

  • Oct 22, 2026 – Oct 25, 2026: -7h
  • Oct 25, 2026 – Mar 28, 2027: -8h
  • Mar 28, 2027 – Oct 22, 2027: -7h

Distance

Seoul and Les Ulis are 8,989 km (5,586 miles) apart in a straight line.

More conversions

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Questions and answers

What is the time difference between Seoul and Les Ulis?

Les Ulis is 7 hours behind Seoul.

What time is it in Les Ulis when it is 9 AM in Seoul?

When it is 9:00 AM in Seoul, it is 2:00 AM in Les Ulis.

When is the best time to call Les Ulis from Seoul?

Both sides are at work from 4:00 PM – 6:00 PM in Seoul (9:00 AM – 11:00 AM in Les Ulis).

Does the time difference between Seoul and Les Ulis change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.