Mason City to Seoul time converter

Seoul is 14 hours ahead of Mason City. When it is 9:00 AM in Mason City, it is 11:00 PM in Seoul.

Mason City CDT

Wednesday, October 21, 2026

Seoul KST

Wednesday, October 21, 2026

Mason City
Iowa, United States
Wed, Oct 21
CDTUTC-5
Seoul
South Korea
Wed, Oct 21
KSTUTC+9+14h
Finding your time zone…
Shared working hours (9:00–18:00)

Mason City to Seoul conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in Mason City (7:00 AM – 8:00 AM in Seoul): working hours on one side, early or late on the other.

Daylight saving time and the difference

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

  • Oct 21, 2026 – Nov 1, 2026: +14h
  • Nov 1, 2026 – Mar 14, 2027: +15h
  • Mar 14, 2027 – Oct 21, 2027: +14h

Distance

Mason City and Seoul are 10,166 km (6,317 miles) apart in a straight line.

More conversions

Seoul to Mason CityMason City to New YorkMason City to LondonMason City to Los AngelesMason City to ChicagoMason City to TorontoMason City to São PauloMason City to ParisMason City to BerlinMason City to MoscowMason City to DubaiMason City to New DelhiMason City to Bangkok
New York to SeoulLondon to SeoulLos Angeles to SeoulChicago to SeoulToronto to SeoulSão Paulo to SeoulParis to SeoulBerlin to SeoulMoscow to SeoulDubai to SeoulNew Delhi to SeoulBangkok to Seoul

Questions and answers

What is the time difference between Mason City and Seoul?

Seoul is 14 hours ahead of Mason City.

What time is it in Seoul when it is 9 AM in Mason City?

When it is 9:00 AM in Mason City, it is 11:00 PM in Seoul.

When is the best time to call Seoul from Mason City?

Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in Mason City (7:00 AM – 8:00 AM in Seoul): working hours on one side, early or late on the other.

Does the time difference between Mason City and Seoul change?

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