Waterloo to Seoul time converter

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

Waterloo CDT

Tuesday, October 20, 2026

Seoul KST

Wednesday, October 21, 2026

Iowa, United States
Tue, Oct 20
CDTUTC-5
South Korea
Wed, Oct 21
KSTUTC+9+14h
Finding your time zone…

10:38 PM in Waterloo, Tuesday, October 20, 2026

Shared working hours (9:00–18:00)

Waterloo to Seoul conversion table

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

WaterlooSeoul
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 Waterloo (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 Waterloo and Seoul switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: +14h
  • Nov 1, 2026 – Mar 14, 2027: +15h
  • Mar 14, 2027 – Oct 20, 2027: +14h

Distance

Waterloo and Seoul are 10,264 km (6,378 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Waterloo and Seoul?

Seoul is 14 hours ahead of Waterloo.

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

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

When is the best time to call Seoul from Waterloo?

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

Does the time difference between Waterloo 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.