EST to KST to PST to CST
Compare EST time with KST, PST, and CST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Eastern Standard Time is 14 hours behind Korea Standard Time and 3 hours ahead of Pacific Standard Time and 1 hour ahead of Central Standard Time
7:00 am07:00 in EST is 9:00 pm21:00 in KST and is 4:00 am04:00 in PST and is 6:00 am06:00 in CST
EST to KST call time
Best time for a conference call or a meeting is between 5:30pm-6:30pm in EST which corresponds to 7:30am-8:30am in KST (next day)
EST to PST call time
Best time for a conference call or a meeting is between 12pm-5pm in EST which corresponds to 9am-2pm in PST
EST to CST call time
Best time for a conference call or a meeting is between 10am-5pm in EST which corresponds to 9am-4pm in CST
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
9:00 pm21:00 Korea Standard Time (KST). Offset UTC +9:00 hours
4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours
7:00 am07:00 EST / 9:00 pm21:00 KST / 4:00 am04:00 PST / 6:00 am06:00 CST
| EST | KST | PST | CST |
|---|---|---|---|
| 12am (midnight) | 2pm | 9pm | 11pm |
| 1am | 3pm | 10pm | 12am (midnight) |
| 2am | 4pm | 11pm | 1am |
| 3am | 5pm | 12am (midnight) | 2am |
| 4am | 6pm | 1am | 3am |
| 5am | 7pm | 2am | 4am |
| 6am | 8pm | 3am | 5am |
| 7am | 9pm | 4am | 6am |
| 8am | 10pm | 5am | 7am |
| 9am | 11pm | 6am | 8am |
| 10am | 12am (midnight) | 7am | 9am |
| 11am | 1am | 8am | 10am |
| 12pm (noon) | 2am | 9am | 11am |
| 1pm | 3am | 10am | 12pm (noon) |
| 2pm | 4am | 11am | 1pm |
| 3pm | 5am | 12pm (noon) | 2pm |
| 4pm | 6am | 1pm | 3pm |
| 5pm | 7am | 2pm | 4pm |
| 6pm | 8am | 3pm | 5pm |
| 7pm | 9am | 4pm | 6pm |
| 8pm | 10am | 5pm | 7pm |
| 9pm | 11am | 6pm | 8pm |
| 10pm | 12pm (noon) | 7pm | 9pm |
| 11pm | 1pm | 8pm | 10pm |
| 00:00 | 14:00 | 21:00 | 23:00 |
| 01:00 | 15:00 | 22:00 | 00:00 |
| 02:00 | 16:00 | 23:00 | 01:00 |
| 03:00 | 17:00 | 00:00 | 02:00 |
| 04:00 | 18:00 | 01:00 | 03:00 |
| 05:00 | 19:00 | 02:00 | 04:00 |
| 06:00 | 20:00 | 03:00 | 05:00 |
| 07:00 | 21:00 | 04:00 | 06:00 |
| 08:00 | 22:00 | 05:00 | 07:00 |
| 09:00 | 23:00 | 06:00 | 08:00 |
| 10:00 | 00:00 | 07:00 | 09:00 |
| 11:00 | 01:00 | 08:00 | 10:00 |
| 12:00 | 02:00 | 09:00 | 11:00 |
| 13:00 | 03:00 | 10:00 | 12:00 |
| 14:00 | 04:00 | 11:00 | 13:00 |
| 15:00 | 05:00 | 12:00 | 14:00 |
| 16:00 | 06:00 | 13:00 | 15:00 |
| 17:00 | 07:00 | 14:00 | 16:00 |
| 18:00 | 08:00 | 15:00 | 17:00 |
| 19:00 | 09:00 | 16:00 | 18:00 |
| 20:00 | 10:00 | 17:00 | 19:00 |
| 21:00 | 11:00 | 18:00 | 20:00 |
| 22:00 | 12:00 | 19:00 | 21:00 |
| 23:00 | 13:00 | 20:00 | 22:00 |
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States
Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.175 million people. Other major cities in this time zone include 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. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).
Start: Eastern Standard Time (EST) started on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually on the first Sunday of November.
End: Eastern Standard Time (EST) ends on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.
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 an offset of five hours 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
Korea Standard Time
Offset: KST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: Korea (North), Korea (South)
Principal Cities: The largest city in the KST time zone is Seoul in South Korea, with about 10.349 million people. Other major cities in this time zone include Busan, Pyongyang, Incheon, Daegu.
Daylight Saving: Clocks in Korea Standard Time (KST) do not change for daylight saving time, so KST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
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 an offset of nine hours 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
Pacific Standard Time
Offset: PST is 8 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the PST time zone is Los Angeles in the United States, with about 3.793 million people. Other major cities in this time zone include 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. During summer, some places set clocks forward one hour for daylight saving time and observe Pacific Daylight Time (PDT).
Start: Pacific Standard Time (PST) started on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually on the first Sunday of November.
End: Pacific Standard Time (PST) ends on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.
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 an offset of eight hours 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
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States
Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include 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. During summer, some places set clocks forward one hour for daylight saving time and observe Central Daylight Time (CDT).
Start: Central Standard Time (CST) started on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually on the first Sunday of November.
End: Central Standard Time (CST) ends on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.
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 an offset of six hours 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
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone