MST to KST Converter
Time Difference
Mountain Daylight Time is 15 hours behind Korea Standard Time
11:00 pm23:00 in MDT is 2:00 pm14:00 in KST
MST to KST call time
Best time for a conference call or a meeting is between 5am-7am in MST which corresponds to 9pm-11pm in KST
11:00 pm23:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
2:00 pm14:00 Korea Standard Time (KST). Offset UTC +9:00 hours
11:00 pm23:00 MDT / 2:00 pm14:00 KST
MDT | KST |
---|---|
12am (midnight) | 3pm |
1am | 4pm |
2am | 5pm |
3am | 6pm |
4am | 7pm |
5am | 8pm |
6am | 9pm |
7am | 10pm |
8am | 11pm |
9am | 12am (midnight) |
10am | 1am |
11am | 2am |
12pm (noon) | 3am |
1pm | 4am |
2pm | 5am |
3pm | 6am |
4pm | 7am |
5pm | 8am |
6pm | 9am |
7pm | 10am |
8pm | 11am |
9pm | 12pm (noon) |
10pm | 1pm |
11pm | 2pm |
0:00 | 15:00 |
1:00 | 16:00 |
2:00 | 17:00 |
3:00 | 18:00 |
4:00 | 19:00 |
5:00 | 20:00 |
6:00 | 21:00 |
7:00 | 22:00 |
8:00 | 23:00 |
9:00 | 0:00 |
10:00 | 1:00 |
11:00 | 2:00 |
12:00 | 3:00 |
13:00 | 4:00 |
14:00 | 5:00 |
15:00 | 6:00 |
16:00 | 7:00 |
17:00 | 8:00 |
18:00 | 9:00 |
19:00 | 10:00 |
20:00 | 11:00 |
21:00 | 12:00 |
22:00 | 13:00 |
23:00 | 14:00 |
Mountain Standard Time
Offset: MST is 7 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada, Mexico, United States
Principal Cities: The largest city in the MST timezone is Phoenix from USA with population about 1.446 million people. Other major cities in the area are Calgary, Edmonton, El Paso, Denver
French: HNR - Heure Normale des Rocheuses
Spanish: MT - Zona Pacífico

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Mountain Daylight Time (MDT).
End: Mountain Standard Time (MST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Mountain Standard Time (MST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
MST representations, usage and related time zones
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates seven hour and zero minutes time differences to the west of the zero meridian.
- Tango - Military abbreviation for MST
- T - short form of 'Tango'
- America/Boise
- America/Cambridge_Bay
- America/Ciudad_Juarez
- America/Creston
- America/Dawson
- America/Dawson_Creek
- America/Denver
- America/Edmonton
- America/Fort_Nelson
- America/Hermosillo
- America/Inuvik
- America/Mazatlan
- America/Phoenix
- America/Shiprock
- America/Whitehorse
- America/Yellowknife
- Canada/Mountain
- Canada/Yukon
- MST
- MST7MDT
- Mexico/BajaSur
- Navajo
- US/Arizona
- US/Mountain
- Mountain Standard Time - UTC -7
- Mauritius Standard Time - UTC +4
- Moscow Standard Time - UTC +3
- Magadan Standard Time - UTC +11
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone
Korea Standard Time
Offset: KST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: Korea (North), Korea (South)
Principal Cities: The largest city in the KST timezone is Seoul from South Korea with population about 10.349 million people. Other major cities in the area are Busan, Pyongyang, Incheon, Daegu
Daylight Saving: Korea Standard Time (KST) is not adjusted for daylight saving therefore KST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Korea Standard Time remains the same

KST representations, usage and related time zones
- +09 - basic short
- +0900 - basic
- +09:00 - extended
- +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates nine hour and zero minutes time differences to the east of the zero meridian.
- India - Military abbreviation for KST
- I - short form of 'India'
- Asia/Pyongyang
- Asia/Seoul
- ROK
- Korea Standard Time - UTC +9
- Pyongyang Time - UTC +8:30
- AWDT - Australian Western Daylight Time
- CHOST - Choibalsan Summer Time
- I - India Time Zone
- IRKST - Irkutsk Summer Time
- JST - Japan Standard Time
- KST - Korea Standard Time
- PWT - Palau Time
- TLT - East Timor Time
- ULAST - Ulaanbaatar Summer Time
- WIT - Eastern Indonesian Time
- YAKT - Yakutsk Time