Seoul to Butte time converter

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

Seoul KST

Tuesday, October 20, 2026

Butte MDT

Monday, October 19, 2026

Seoul
South Korea
Tue, Oct 20
KSTUTC+9
Butte
Montana, United States
Mon, Oct 19
MDTUTC-6-15h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to Butte conversion table

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

SeoulButte
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 Butte): 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 Butte 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 Butte are 8,989 km (5,586 miles) apart in a straight line.

More conversions

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New York to ButteLondon to ButteLos Angeles to ButteChicago to ButteToronto to ButteSão Paulo to ButteParis to ButteBerlin to ButteMoscow to ButteDubai to ButteNew Delhi to ButteBangkok to Butte

Questions and answers

What is the time difference between Seoul and Butte?

Butte is 15 hours behind Seoul.

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

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

When is the best time to call Butte 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 Butte): working hours on one side, early or late on the other.

Does the time difference between Seoul and Butte change?

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