KST: Korean Standard Time
Korea Standard Time (KST). South Korea, including Seoul and Busan. KST is UTC+9 all year.
No clock change is scheduled; the offset stays the same all year.
KST to MST: Korea Standard Time to Mountain Time
16 hours behind KST
MST compared with KST, right now. Swap: MST to KST ⇄
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KST to MST conversion table
For Tuesday, November 3, 2026. Rows where both places are inside 9 AM–5 PM are highlighted.
| KST | MST |
|---|---|
| 12:00 AM | 8:00 AM (previous day) |
| 1:00 AM | 9:00 AM (previous day) |
| 2:00 AM | 10:00 AM (previous day) |
| 3:00 AM | 11:00 AM (previous day) |
| 4:00 AM | 12:00 PM (previous day) |
| 5:00 AM | 1:00 PM (previous day) |
| 6:00 AM | 2:00 PM (previous day) |
| 7:00 AM | 3:00 PM (previous day) |
| 8:00 AM | 4:00 PM (previous day) |
| 9:00 AM | 5:00 PM (previous day) |
| 10:00 AM | 6:00 PM (previous day) |
| 11:00 AM | 7:00 PM (previous day) |
| 12:00 PM | 8:00 PM (previous day) |
| 1:00 PM | 9:00 PM (previous day) |
| 2:00 PM | 10:00 PM (previous day) |
| 3:00 PM | 11:00 PM (previous day) |
| 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 |
About these time zones
MST: Mountain Standard Time
Mountain Time (MST/MDT). Denver, Salt Lake City, Albuquerque, Boise and Calgary. MST is UTC−7; in summer most of the region uses MDT, UTC−6. Most of Arizona stays on MST all year.
Sunday, March 14, 2027: clocks go forward 1 hour at 2:00 AM local time (UTC−7 → UTC−6).
Questions about KST and MST time
What is the time difference between KST and MST?
The current difference is shown at the top of this page. KST uses Korean Standard Time (KST, UTC+9) all year; MST uses Mountain Standard Time (MST, UTC−7) as standard time and Mountain Daylight Time (MDT, UTC−6) during daylight saving time. The difference can change if only one side observes daylight saving time or if their clocks change on different dates. Choose your meeting date in the converter to check the applicable offset.
When it is 9:00 AM in KST, what time is it in MST?
On Tuesday, November 3, 2026, 9:00 AM in KST was 5:00 PM (previous day) in MST. The conversion table above shows today’s values.
Do the clocks change in KST or MST?
KST does not change its clocks. MST: Sunday, March 14, 2027: clocks go forward 1 hour at 2:00 AM local time (UTC−7 → UTC−6).
Is KST the same as KST?
Korea Standard Time does not use daylight saving time, so KST applies all year.
Related conversions
- KST to UTC
- KST to GMT
- KST to EST
- KST to CST
- KST to PST
- KST to AKST
- KST to HST
- KST to AST
- KST to BST
- KST to CET
- KST to EET
- KST to PKT
- KST to IST
- KST to SGT
- KST to PHT
- KST to JST
- KST to AEST
- KST to NZST
- UTC to MST
- GMT to MST
- EST to MST
- CST to MST
- PST to MST
- AKST to MST
- HST to MST
- AST to MST
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