Seoul to Greeley time converter

Greeley is 15 hours behind Seoul. When it is 9:00 AM in Seoul, it is 6:00 PM (Mon, Oct 19) in Greeley.

Seoul KST

Tuesday, October 20, 2026

Greeley MDT

Monday, October 19, 2026

South Korea
Tue, Oct 20
KSTUTC+9
Colorado, United States
Mon, Oct 19
MDTUTC-6-15h
Finding your time zone…

12:52 AM in Seoul, Tuesday, October 20, 2026

Shared working hours (9:00–18:00)

Seoul to Greeley conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 20, 2026 – Nov 1, 2026: -15h
  • Nov 1, 2026 – Mar 14, 2027: -16h
  • Mar 14, 2027 – Oct 20, 2027: -15h

Distance

Seoul and Greeley are 9,872 km (6,134 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Seoul and Greeley?

Greeley is 15 hours behind Seoul.

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

When it is 9:00 AM in Seoul, it is 6:00 PM (Mon, Oct 19) in Greeley.

When is the best time to call Greeley from Seoul?

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

Does the time difference between Seoul and Greeley change?

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