Northglenn to Seoul time converter

Seoul is 15 hours ahead of Northglenn. When it is 9:00 AM in Northglenn, it is 12:00 AM (Wed, Oct 21) in Seoul.

Northglenn MDT

Tuesday, October 20, 2026

Seoul KST

Tuesday, October 20, 2026

Northglenn
Colorado, United States
Tue, Oct 20
MDTUTC-6
Seoul
South Korea
Tue, Oct 20
KSTUTC+9+15h
Finding your time zone…
Shared working hours (9:00–18:00)

Northglenn to Seoul conversion table

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

NorthglennSeoul
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 Northglenn (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 Northglenn and Seoul 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

Northglenn and Seoul are 9,904 km (6,154 miles) apart in a straight line.

More conversions

Seoul to NorthglennNorthglenn to New YorkNorthglenn to LondonNorthglenn to Los AngelesNorthglenn to ChicagoNorthglenn to TorontoNorthglenn to São PauloNorthglenn to ParisNorthglenn to BerlinNorthglenn to MoscowNorthglenn to DubaiNorthglenn to New DelhiNorthglenn 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 Northglenn and Seoul?

Seoul is 15 hours ahead of Northglenn.

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

When it is 9:00 AM in Northglenn, it is 12:00 AM (Wed, Oct 21) in Seoul.

When is the best time to call Seoul from Northglenn?

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

Does the time difference between Northglenn 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.