Seoul to Lahti time converter

Lahti is 6 hours behind Seoul. When it is 9:00 AM in Seoul, it is 3:00 AM in Lahti.

Seoul KST

Tuesday, October 20, 2026

Lahti EEST

Tuesday, October 20, 2026

Seoul
South Korea
Tue, Oct 20
KSTUTC+9
Lahti
Finland
Tue, Oct 20
EESTUTC+3-6h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to Lahti conversion table

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

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

Best time to call or meet

Both sides are at work from 3:00 PM – 6:00 PM in Seoul (9:00 AM – 12:00 PM in Lahti).

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 25, 2026: -6h
  • Oct 25, 2026 – Mar 28, 2027: -7h
  • Mar 28, 2027 – Oct 20, 2027: -6h

Distance

Seoul and Lahti are 6,979 km (4,337 miles) apart in a straight line.

More conversions

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New York to LahtiLondon to LahtiLos Angeles to LahtiChicago to LahtiToronto to LahtiSão Paulo to LahtiParis to LahtiBerlin to LahtiMoscow to LahtiDubai to LahtiNew Delhi to LahtiBangkok to Lahti

Questions and answers

What is the time difference between Seoul and Lahti?

Lahti is 6 hours behind Seoul.

What time is it in Lahti when it is 9 AM in Seoul?

When it is 9:00 AM in Seoul, it is 3:00 AM in Lahti.

When is the best time to call Lahti from Seoul?

Both sides are at work from 3:00 PM – 6:00 PM in Seoul (9:00 AM – 12:00 PM in Lahti).

Does the time difference between Seoul and Lahti change?

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