KST to CST to PST to EST to MDT
Time Difference
Korea Standard Time is 14 hours ahead of Central Daylight Time and 16 hours ahead of Pacific Daylight Time and 13 hours ahead of Eastern Daylight Time and 15 hours ahead of Mountain Daylight Time
3:00 pm15:00 in KST is 1:00 am01:00 in CDT and is 11:00 pm23:00 in PDT and is 2:00 am02:00 in EDT and is 12:00 am00:00 in MDT
KST to CST call time
Best time for a conference call or a meeting is between 8:30pm-10:30pm in KST which corresponds to 5:30am-7:30am in CST
KST to PST call time
Best time for a conference call or a meeting is between 9:30pm-11:30pm in KST which corresponds to 4:30am-6:30am in PST
KST to EST call time
Best time for a conference call or a meeting is between 8pm-10pm in KST which corresponds to 6am-8am in EST
KST to MDT call time
Best time for a conference call or a meeting is between 8:30pm-10:30pm in KST which corresponds to 5:30am-7:30am in MDT
3:00 pm15:00 Korea Standard Time (KST). Offset UTC +9:00 hours
1:00 am01:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
11:00 pm23:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
2:00 am02:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
12:00 am00:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
3:00 pm15:00 KST / 1:00 am01:00 CDT / 11:00 pm23:00 PDT / 2:00 am02:00 EDT / 12:00 am00:00 MDT
KST | CDT | PDT | EDT | MDT |
---|---|---|---|---|
12am (midnight) | 10am | 8am | 11am | 9am |
1am | 11am | 9am | 12pm (noon) | 10am |
2am | 12pm (noon) | 10am | 1pm | 11am |
3am | 1pm | 11am | 2pm | 12pm (noon) |
4am | 2pm | 12pm (noon) | 3pm | 1pm |
5am | 3pm | 1pm | 4pm | 2pm |
6am | 4pm | 2pm | 5pm | 3pm |
7am | 5pm | 3pm | 6pm | 4pm |
8am | 6pm | 4pm | 7pm | 5pm |
9am | 7pm | 5pm | 8pm | 6pm |
10am | 8pm | 6pm | 9pm | 7pm |
11am | 9pm | 7pm | 10pm | 8pm |
12pm (noon) | 10pm | 8pm | 11pm | 9pm |
1pm | 11pm | 9pm | 12am (midnight) | 10pm |
2pm | 12am (midnight) | 10pm | 1am | 11pm |
3pm | 1am | 11pm | 2am | 12am (midnight) |
4pm | 2am | 12am (midnight) | 3am | 1am |
5pm | 3am | 1am | 4am | 2am |
6pm | 4am | 2am | 5am | 3am |
7pm | 5am | 3am | 6am | 4am |
8pm | 6am | 4am | 7am | 5am |
9pm | 7am | 5am | 8am | 6am |
10pm | 8am | 6am | 9am | 7am |
11pm | 9am | 7am | 10am | 8am |
0:00 | 10:00 | 8:00 | 11:00 | 9:00 |
1:00 | 11:00 | 9:00 | 12:00 | 10:00 |
2:00 | 12:00 | 10:00 | 13:00 | 11:00 |
3:00 | 13:00 | 11:00 | 14:00 | 12:00 |
4:00 | 14:00 | 12:00 | 15:00 | 13:00 |
5:00 | 15:00 | 13:00 | 16:00 | 14:00 |
6:00 | 16:00 | 14:00 | 17:00 | 15:00 |
7:00 | 17:00 | 15:00 | 18:00 | 16:00 |
8:00 | 18:00 | 16:00 | 19:00 | 17:00 |
9:00 | 19:00 | 17:00 | 20:00 | 18:00 |
10:00 | 20:00 | 18:00 | 21:00 | 19:00 |
11:00 | 21:00 | 19:00 | 22:00 | 20:00 |
12:00 | 22:00 | 20:00 | 23:00 | 21:00 |
13:00 | 23:00 | 21:00 | 0:00 | 22:00 |
14:00 | 0:00 | 22:00 | 1:00 | 23:00 |
15:00 | 1:00 | 23:00 | 2:00 | 0:00 |
16:00 | 2:00 | 0:00 | 3:00 | 1:00 |
17:00 | 3:00 | 1:00 | 4:00 | 2:00 |
18:00 | 4:00 | 2:00 | 5:00 | 3:00 |
19:00 | 5:00 | 3:00 | 6:00 | 4:00 |
20:00 | 6:00 | 4:00 | 7:00 | 5:00 |
21:00 | 7:00 | 5:00 | 8:00 | 6:00 |
22:00 | 8:00 | 6:00 | 9:00 | 7:00 |
23:00 | 9:00 | 7:00 | 10:00 | 8:00 |
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
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States
Principal Cities: The largest city in the CST timezone is Mexico City from Mexico with population about 12.294 million people. Other major cities in the area are Chicago, Houston, Iztapalapa, Ecatepec
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro

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 Central Daylight Time (CDT).
End: Central Standard Time (CST) 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: Central Standard Time (CST) 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.
CST representations, usage and related time zones
- -06 - basic short
- -0600 - basic
- -06:00 - extended
- -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates six hour and zero minutes time differences to the west of the zero meridian.
- Sierra - Military abbreviation for CST
- S - short form of 'Sierra'
- America/Bahia_Banderas
- America/Belize
- America/Chicago
- America/Chihuahua
- America/Costa_Rica
- America/El_Salvador
- America/Guatemala
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Managua
- America/Matamoros
- America/Menominee
- America/Merida
- America/Mexico_City
- America/Monterrey
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Regina
- America/Resolute
- America/Swift_Current
- America/Tegucigalpa
- America/Winnipeg
- CST6CDT
- Canada/Central
- Canada/Saskatchewan
- Mexico/General
- US/Central
- US/Indiana-Starke
- Central Standard Time - UTC -6
- China Standard Time - UTC +8
- Cuba Standard Time - UTC -5
- Colombia Standard Time - UTC -5
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone
Pacific Standard Time
Offset: PST is 8 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 PST timezone is Los Angeles from USA with population about 3.793 million people. Other major cities in the area are Vancouver, Tijuana, San Diego, San Jose
French: HNP - Heure Normale du Pacifique
Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste

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 Pacific Daylight Time (PDT).
End: Pacific Standard Time (PST) 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: Pacific Standard Time (PST) 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.
PST representations, usage and related time zones
- -08 - basic short
- -0800 - basic
- -08:00 - extended
- -0800 - sign character (-) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates eight hour and zero minutes time differences to the west of the zero meridian.
- Uniform - Military abbreviation for PST
- U - short form of 'Uniform'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- Pacific Standard Time - UTC -8
- Pitcairn Standard Time - UTC -8
- Peru Standard Time - UTC -5
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States
Principal Cities: The largest city in the EST timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste

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 Eastern Daylight Time (EDT).
End: Eastern Standard Time (EST) 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: Eastern Standard Time (EST) 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.
EST representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five hour and zero minutes time differences to the west of the zero meridian.
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
- America/Atikokan
- America/Cancun
- America/Cayman
- America/Coral_Harbour
- America/Detroit
- America/Fort_Wayne
- America/Grand_Turk
- America/Indiana/Indianapolis
- America/Indiana/Marengo
- America/Indiana/Petersburg
- America/Indiana/Vevay
- America/Indiana/Vincennes
- America/Indiana/Winamac
- America/Indianapolis
- America/Iqaluit
- America/Jamaica
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Panama
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST
- EST5EDT
- Jamaica
- US/East-Indiana
- US/Eastern
- US/Michigan
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone
Mountain Daylight Time
Offset: MDT is 6 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 MDT timezone is Calgary from Canada with population about 1.02 million people. Other major cities in the area are Edmonton, El Paso, Denver, Albuquerque
French: HAR - Heure Avancée des Rocheuses
Spanish: MT - Zona Pacífico

Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Mountain Standard Time (MST).
Start: Mountain Daylight Time (MDT) started 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. Daylight saving starts annually the on second Sunday of March
End: Mountain Daylight Time (MDT) ends 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 local standard time instead. Daylight saving ends annually the on first Sunday of November
MDT representations, usage and related time zones
- -06 - basic short
- -0600 - basic
- -06:00 - extended
- -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates six hour and zero minutes time differences to the west of the zero meridian.
- Sierra - Military abbreviation for MDT
- S - short form of 'Sierra'
- America/Boise
- America/Cambridge_Bay
- America/Ciudad_Juarez
- America/Denver
- America/Edmonton
- America/Inuvik
- America/Shiprock
- America/Yellowknife
- Canada/Mountain
- MST7MDT
- Navajo
- US/Mountain
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone