Denver
Seoul
Convert MST to KST
Mountain Standard Time to Korea Standard Time — Seoul is 15 hours ahead of Denver
Quick Facts
Time Difference
+15 hours
MST Full Name
Mountain Standard Time
KST Full Name
Korea Standard Time
MST to KST Conversion Table
Related Conversions
About MST and KST Time Zones
MST (Mountain Standard Time) is UTC-7 and covers cities like Denver, Phoenix, Salt Lake City. KST (Korea Standard Time) is UTC+9 and covers cities like Seoul, Busan, Incheon.
When it's 12:00 PM (noon) in Denver (MST), it's 3:00 AM in Seoul (KST). The time difference between MST and KST is 15 hours — Seoul is ahead of Denver.
With a 16-hour gap, scheduling overlap is very limited. Early morning in Denver (6–8 AM) corresponds to evening or late night in Seoul.
Daylight Saving Time
MST observes Daylight Saving Time and becomes MDT (Mountain Daylight Time) during summer months, shifting clocks forward by 1 hour to UTC-6.
During DST transitions, the time difference between MST and KST may shift by ±1 hour. Always verify the current offset above for the most accurate conversion.
Use our world clock tool to compare Denver and Seoul with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between MST and KST?
Seoul (KST) is 15 hours ahead of Denver (MST). The offset is +15 hours.
Is KST ahead or behind MST?
KST is 15 hours ahead of MST. MST is UTC-6 and KST is UTC+9.
When it's 12:00 PM in Denver, what time is it in Seoul?
When it's 12:00 PM (noon) in Denver (MST), it's 3:00 AM in Seoul (KST).
When it's 5:00 PM in Denver, what time is it in Seoul?
When it's 5:00 PM in Denver (MST), it's 8:00 AM in Seoul (KST).
Does MST change for Daylight Saving Time?
Yes. MST (Mountain Standard Time, UTC-7) becomes MDT (Mountain Daylight Time, UTC-6) in summer, shifting clocks forward 1 hour.