Seoul Time to MST Converter
MST is 16 hours behind KST. 9:00 AM KST = 5:00 PM MST (previous day).
MST is 16 hours behind KST at the moment. To convert Seoul Time to MST, subtract 16 hours from the Seoul Time time: 9:00 AM KST = 5:00 PM MST (previous day).
Seoul Time (Seoul time) is used in Seoul, South Korea. MST (Mountain Time) is used in Denver, Salt Lake City, Albuquerque, Calgary, Edmonton; Phoenix (Arizona) all year.
Most of Arizona uses MST all year and does not switch to MDT.
Seoul Time to MST time conversion table
Seoul Time to MST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Seoul Time | MST |
|---|---|
| 12:00 AM | 8:00 AM−1 |
| 1:00 AM | 9:00 AM−1 |
| 2:00 AM | 10:00 AM−1 |
| 3:00 AM | 11:00 AM−1 |
| 4:00 AM | 12:00 PM−1 |
| 5:00 AM | 1:00 PM−1 |
| 6:00 AM | 2:00 PM−1 |
| 7:00 AM | 3:00 PM−1 |
| Seoul Time | MST |
|---|---|
| 8:00 AM | 4:00 PM−1 |
| 9:00 AM | 5:00 PM−1 |
| 10:00 AM | 6:00 PM−1 |
| 11:00 AM | 7:00 PM−1 |
| 12:00 PM | 8:00 PM−1 |
| 1:00 PM | 9:00 PM−1 |
| 2:00 PM | 10:00 PM−1 |
| 3:00 PM | 11:00 PM−1 |
| Seoul Time | MST |
|---|---|
| 4:00 PM | 12:00 AM |
| 5:00 PM | 1:00 AM |
| 6:00 PM | 2:00 AM |
| 7:00 PM | 3:00 AM |
| 8:00 PM | 4:00 AM |
| 9:00 PM | 5:00 AM |
| 10:00 PM | 6:00 AM |
| 11:00 PM | 7:00 AM |
Conversion table from Seoul Time to MST for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in MST, −1 the previous day.
- ✓ marks 9 AM–5 PM in both places
- Greyed times are night in the destination (10 PM–6 AM)
How to convert Seoul Time to MST
Subtract 16 hours from the Seoul Time time to get MST.
Example: 9:00 AM KST = 5:00 PM MST (previous day).
Across midnight: 1:00 AM KST = 9:00 AM MST (previous day). The date changes, so always check the day as well as the hour.
Time difference between Seoul Time and MST
The time difference between Seoul Time and MST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 7 Mar 2026: MST is 16 hours behind of Seoul Time.
- 8 Mar 2026 – 31 Oct 2026: MST is 15 hours behind of Seoul Time.
- 1 Nov 2026 – 31 Dec 2026: MST is 16 hours behind of Seoul Time.
Seoul Time and MST during daylight saving time
- Seoul Time does not observe daylight saving time; it stays on UTC+9 all year.
- MST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from MST (UTC−7) to MDT (UTC−6).
Best time for a meeting between Seoul Time and MST
Seoul Time and MST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM KST, which is 3:00 PM MST.
Seoul Time to MST FAQ
What is the time difference between Seoul Time and MST?
Right now MST is 16 hours behind KST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Seoul Time in MST?
9:00 AM KST is 5:00 PM MST (previous day).
What is 12 PM (noon) Seoul Time in MST?
12:00 PM KST is 8:00 PM MST (previous day).
Is MST ahead of or behind Seoul Time?
MST is 16 hours behind KST, so it is earlier in MST than in Seoul Time.
Does Seoul Time change for daylight saving time?
No. Seoul Time stays on the same offset all year, so conversions never shift for daylight saving time.
Does MST change for daylight saving time?
Yes. MST next changes on 14 Mar 2027, when clocks go forward one hour from MST to MDT.
What is the best time for a meeting between Seoul Time and MST?
Seoul Time and MST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM KST, which is 3:00 PM MST.
Is MT the same as MST?
MST is the winter (standard) name of Mountain Time (MT). From March to November the same clocks are called MDT. This converter always uses the one in force on the date you choose.
Related conversions
Convert MST to Seoul Time
Convert Seoul Time to other time zones
Convert other time zones to MST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.