Centennial to Seoul time converter

Seoul is 15 hours ahead of Centennial. When it is 9:00 AM in Centennial, it is 12:00 AM (Mon, Oct 19) in Seoul.

Centennial MDT

Sunday, October 18, 2026

Seoul KST

Monday, October 19, 2026

Centennial
Colorado, United States
Sun, Oct 18
MDTUTC-6
Seoul
South Korea
Mon, Oct 19
KSTUTC+9+15h
Finding your time zone…
Shared working hours (9:00–18:00)

Centennial to Seoul conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Centennial (7:00 AM – 9:00 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 Centennial and Seoul switch clocks on different dates:

  • Oct 18, 2026 – Nov 1, 2026: +15h
  • Nov 1, 2026 – Mar 14, 2027: +16h
  • Mar 14, 2027 – Oct 18, 2027: +15h

Distance

Centennial and Seoul are 9,937 km (6,175 miles) apart in a straight line.

More conversions

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Questions and answers

What is the time difference between Centennial and Seoul?

Seoul is 15 hours ahead of Centennial.

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

When it is 9:00 AM in Centennial, it is 12:00 AM (Mon, Oct 19) in Seoul.

When is the best time to call Seoul from Centennial?

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Centennial (7:00 AM – 9:00 AM in Seoul): working hours on one side, early or late on the other.

Does the time difference between Centennial 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.