What is the time difference between MST and KST?

MST is 16 hours ahead KST. MST is UTC-7 and KST is UTC+9.

What is 9 AM MST in KST?

9 AM MST is 12 AM KST (next day).

What is 12 PM MST in KST?

12 PM MST (noon) is 3 AM KST (next day).

What are the best meeting times between MST and KST?

There is no standard business hours overlap between MST and KST.

MST to KST Time Converter

Mountain Standard Time → Korea Standard Time

MST

UTC-7

Mountain Standard Time

offset

+16h

KST is 16h ahead

KST

UTC+9

Korea Standard Time

MST observes DST — offset shifts ±1h during transitions

Mountain Standard Time (MST) is 16 hours ahead Korea Standard Time (KST). When it is noon in MST, it is 3 AM in KST. This offset may change during Daylight Saving Time transitions.

Meeting planner tool Reverse: KST to MST

Cities in MST

🇺🇸Phoenix 🇺🇸Denver 🇨🇦Calgary

Cities in KST

🇰🇷Seoul

All 24 Hours — MST to KST

Click any row to see the full detail page. Current hour in MST is highlighted.

Both business hoursPartial overlap

12 AM6 AM12 PM6 PM11 PM

Best Meeting Times — MST & KST

No standard business-hours overlap between MST and KST. Consider early morning or evening calls.

Challenging overlap

MST and KST are 16 hours apart with no shared business-hours window. Try scheduling at 8 AM in the earlier timezone or 6 PM in the later one.

8 AM→11 PM 9 AM→12 AM+1d 10 AM→1 AM+1d 11 AM→2 AM+1d 12 PM→3 AM+1d 1 PM→4 AM+1d 2 PM→5 AM+1d 3 PM→6 AM+1d 4 PM→7 AM+1d 5 PM→8 AM+1d

Related Time Zone Conversions

Frequently Asked Questions — MST to KST

Mountain Standard Time (MST) is 16 hours ahead of Korea Standard Time (KST). MST is UTC-7 and KST is UTC+9. This offset may shift by ±1 hour during Daylight Saving Time transitions.