The short answer
Mountain Time is 15 hours behind Seoul.
Mountain Time☀
2:22:14pm
MDT · UTC-06:00 · Wed, Jul 15
Seoul☾
5:22:14am
KST · UTC+09:00 · Thu, Jul 16
Read across to convert
Mountain Time
MDT · UTC-06:00
Seoul
KST · UTC+09:00
Click any row to pin that hour across both zones.
12amWed
3pm
WORK1am
4pm
WORK2am
5pm
3am
6pm
4am
7pm
5am
8pm
6am
9pm
7am
10pm
8am
11pm
9am
WORK12amThu ·+1d
10am
WORK1amThu ·+1d
11am
WORK2amThu ·+1d
12pm
WORK3amThu ·+1d
1pm
WORK4amThu ·+1d
NOW
2pm
WORK5amThu ·+1d
3pm
WORK6amThu ·+1d
4pm
WORK7amThu ·+1d
5pm
8amThu ·+1d
6pm
9amThu ·+1d
WORK7pm
10amThu ·+1d
WORK8pm
11amThu ·+1d
WORK9pm
12pmThu ·+1d
WORK10pm
1pmThu ·+1d
WORK11pm
2pmThu ·+1d
WORKdaylightnightworking hoursoverlap
Best time to meet=
Closest workable window
Just outside the working window — early on one side, late on the other.
Mountain Time
4pm–7pm
Seoul
7am–10am
next day
Popular conversions
Quick reference.
9amMountain Time=12amSeoul · next day
12pmMountain Time=3amSeoul · next day
3pmMountain Time=6amSeoul · next day
5pmMountain Time=8amSeoul · next day
9pmMountain Time=12pmSeoul · next day
In context
What each side covers.
Mountain Time
2:22pmMDT · UTC-06:00
Cities on this clock
Related converters
Other popular pairs.
Pacific Time
1:22pm
India Standard Time
1:52am
Pacific Time to India12 hours 30 minutes behind
Eastern Standard Time
4:22pm
Central European Time
10:22pm
Eastern Time to Central Europe6 hours behind
India Standard Time
1:52am
Eastern Standard Time
4:22pm
India to Eastern Time9 hours 30 minutes ahead
Greenwich Mean Time
9:22pm
India Standard Time
1:52am
London to India4 hours 30 minutes behind
Pacific Standard Time
1:22pm
Eastern Standard Time
4:22pm
Pacific to Eastern Time3 hours behind
Central European Time
10:22pm
India Standard Time
1:52am
Central Europe to India3 hours 30 minutes behind
Frequently asked
Quick answers about converting between Mountain Time and Seoul. Can't find what you need? Email [email protected].
- What is the time difference between Mountain Time and Seoul?
- Mountain Time is 15 hours behind Seoul right now. We always show the live, daylight-saving-correct difference, so this figure already accounts for whichever side is observing summer time today.
- When it's 9am in Mountain Time, what time is it in Seoul?
- 9am in Mountain Time is 12am in Seoul on the next day. Use the hour-by-hour table above to read any other time across — find the row and read the matching cell in the other column.
- What's the best time for a call between Mountain Time and Seoul?
- There's no comfortable 9-to-5 overlap between Mountain Time and Seoul — they sit on opposite sides of the planet's working day. Plan for an early or late call on one side, or hand work off asynchronously.
- Does this account for daylight saving time?
- Yes. We track every clock change in both places, so the abbreviations you see — MDT and KST — are the ones actually in effect right now, not a fixed all-year value. When either side changes its clocks, this page updates automatically.
- Why is the date sometimes different on each side?
- When two places are far enough apart, the same moment can fall on different calendar days. That is why some conversions are marked "previous day" or "next day" — it is the same instant in time, read off two clocks that crossed midnight at different points.