KST to CET to EST to PST
Compare KST time with CET, EST, and PST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Korea Standard Time is 8 hours ahead of Central European Time and 14 hours ahead of Eastern Standard Time and 17 hours ahead of Pacific Standard Time
9:00 pm21:00 in KST is 1:00 pm13:00 in CET and is 7:00 am07:00 in EST and is 4:00 am04:00 in PST
KST to CET call time
Best time for a conference call or a meeting is between 4:30pm-5:30pm in KST which corresponds to 8:30am-9:30am in CET
KST to EST call time
Best time for a conference call or a meeting is between 7:30am-8:30am in KST which corresponds to 5:30pm-6:30pm in EST (previous day)
KST to PST call time
Best time for a conference call or a meeting is between 9am-10am in KST which corresponds to 4pm-5pm in PST (previous day)
9:00 pm21:00 Korea Standard Time (KST). Offset UTC +9:00 hours
1:00 pm13:00 Central European Time (CET). Offset UTC +1:00 hour
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
9:00 pm21:00 KST / 1:00 pm13:00 CET / 7:00 am07:00 EST / 4:00 am04:00 PST
| KST | CET | EST | PST |
|---|---|---|---|
| 12am (midnight) | 4pm | 10am | 7am |
| 1am | 5pm | 11am | 8am |
| 2am | 6pm | 12pm (noon) | 9am |
| 3am | 7pm | 1pm | 10am |
| 4am | 8pm | 2pm | 11am |
| 5am | 9pm | 3pm | 12pm (noon) |
| 6am | 10pm | 4pm | 1pm |
| 7am | 11pm | 5pm | 2pm |
| 8am | 12am (midnight) | 6pm | 3pm |
| 9am | 1am | 7pm | 4pm |
| 10am | 2am | 8pm | 5pm |
| 11am | 3am | 9pm | 6pm |
| 12pm (noon) | 4am | 10pm | 7pm |
| 1pm | 5am | 11pm | 8pm |
| 2pm | 6am | 12am (midnight) | 9pm |
| 3pm | 7am | 1am | 10pm |
| 4pm | 8am | 2am | 11pm |
| 5pm | 9am | 3am | 12am (midnight) |
| 6pm | 10am | 4am | 1am |
| 7pm | 11am | 5am | 2am |
| 8pm | 12pm (noon) | 6am | 3am |
| 9pm | 1pm | 7am | 4am |
| 10pm | 2pm | 8am | 5am |
| 11pm | 3pm | 9am | 6am |
| 00:00 | 16:00 | 10:00 | 07:00 |
| 01:00 | 17:00 | 11:00 | 08:00 |
| 02:00 | 18:00 | 12:00 | 09:00 |
| 03:00 | 19:00 | 13:00 | 10:00 |
| 04:00 | 20:00 | 14:00 | 11:00 |
| 05:00 | 21:00 | 15:00 | 12:00 |
| 06:00 | 22:00 | 16:00 | 13:00 |
| 07:00 | 23:00 | 17:00 | 14:00 |
| 08:00 | 00:00 | 18:00 | 15:00 |
| 09:00 | 01:00 | 19:00 | 16:00 |
| 10:00 | 02:00 | 20:00 | 17:00 |
| 11:00 | 03:00 | 21:00 | 18:00 |
| 12:00 | 04:00 | 22:00 | 19:00 |
| 13:00 | 05:00 | 23:00 | 20:00 |
| 14:00 | 06:00 | 00:00 | 21:00 |
| 15:00 | 07:00 | 01:00 | 22:00 |
| 16:00 | 08:00 | 02:00 | 23:00 |
| 17:00 | 09:00 | 03:00 | 00:00 |
| 18:00 | 10:00 | 04:00 | 01:00 |
| 19:00 | 11:00 | 05:00 | 02:00 |
| 20:00 | 12:00 | 06:00 | 03:00 |
| 21:00 | 13:00 | 07:00 | 04:00 |
| 22:00 | 14:00 | 08:00 | 05:00 |
| 23:00 | 15:00 | 09:00 | 06:00 |
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
Central European Time
Offset: CET is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries using this time zone: Andorra, Albania, Austria, Bosnia & Herzegovina, Belgium, Switzerland, Czech Republic, Germany, Denmark, Algeria, Spain, France, Gibraltar, Croatia, Hungary, Italy, Liechtenstein, Luxembourg, Monaco, Montenegro, North Macedonia, Malta, Netherlands, Norway, Poland, Serbia, Sweden, Slovenia, Svalbard & Jan Mayen, Slovakia, San Marino, Tunisia, Vatican City
Principal Cities: The largest city in the CET time zone is Berlin in Germany, with about 3.426 million people. Other major cities in this time zone include Madrid, Rome, Paris, Algiers.
German: MEZ - Mitteleuropäische Zeit

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central European Summer Time (CEST).
Start: Central European Time (CET) started on Sunday, October 26, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, October 26, 2025, 2:00 am. Standard time starts annually on the last Sunday of October.
End: Central European Time (CET) ends on Sunday, March 29, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 29, 2026, 3:00 am local daylight time instead. Standard time ends annually on the last Sunday of March.
CET representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
- Alpha - Military abbreviation for CET
- A - short form of 'Alpha'
- Africa/Algiers
- Africa/Ceuta
- Africa/Tunis
- Arctic/Longyearbyen
- Atlantic/Jan_Mayen
- CET
- Europe/Amsterdam
- Europe/Andorra
- Europe/Belgrade
- Europe/Berlin
- Europe/Bratislava
- Europe/Brussels
- Europe/Budapest
- Europe/Busingen
- Europe/Copenhagen
- Europe/Gibraltar
- Europe/Ljubljana
- Europe/Luxembourg
- Europe/Madrid
- Europe/Malta
- Europe/Monaco
- Europe/Oslo
- Europe/Paris
- Europe/Podgorica
- Europe/Prague
- Europe/Rome
- Europe/San_Marino
- Europe/Sarajevo
- Europe/Skopje
- Europe/Stockholm
- Europe/Tirane
- Europe/Vaduz
- Europe/Vatican
- Europe/Vienna
- Europe/Warsaw
- Europe/Zagreb
- Europe/Zurich
- MET
- Poland
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time
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
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
