Seoul to Mäntsälä time converter

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

Seoul KST

Tuesday, October 20, 2026

Mäntsälä EEST

Tuesday, October 20, 2026

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

Seoul to Mäntsälä conversion table

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

SeoulMäntsälä
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 Mäntsälä).

Daylight saving time and the difference

The difference changes during the year because Seoul and Mäntsälä 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 Mäntsälä are 7,014 km (4,358 miles) apart in a straight line.

More conversions

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Questions and answers

What is the time difference between Seoul and Mäntsälä?

Mäntsälä is 6 hours behind Seoul.

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

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

When is the best time to call Mäntsälä from Seoul?

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

Does the time difference between Seoul and Mäntsälä change?

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