KST to EDT to CDT to PST to BST
EDT is not used on this date
This converter uses EST (GMT -5), the offset New York uses on this date. Open the EST converter.CDT is not used on this date
This converter uses CST (GMT -6), the offset Chicago uses on this date. Open the CST converter.BST is not used on this date
This converter uses GMT (GMT +0), the offset London uses on this date. Open the GMT converter.Compare KST time with EDT, CDT, PST, and BST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Korea Standard Time is 14 hours ahead of Eastern Standard Time and 15 hours ahead of Central Standard Time and 17 hours ahead of Pacific Standard Time and 9 hours ahead of Greenwich Mean Time
9:00 pm21:00 in KST is 7:00 am07:00 in EST and is 6:00 am06:00 in CST and is 4:00 am04:00 in PST and is 12:00 pm12:00 in GMT
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 CST call time
Best time for a conference call or a meeting is between 8am-9am in KST which corresponds to 5pm-6pm in CST (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)
KST to GMT call time
Best time for a conference call or a meeting is between 5pm-6pm in KST which corresponds to 8am-9am in GMT
9:00 pm21:00 Korea Standard Time (KST). Offset UTC +9:00 hours
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours
4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
9:00 pm21:00 KST / 7:00 am07:00 EST / 6:00 am06:00 CST / 4:00 am04:00 PST / 12:00 pm12:00 GMT
| KST | EST | CST | PST | GMT |
|---|---|---|---|---|
| 12am (midnight) | 10am | 9am | 7am | 3pm |
| 1am | 11am | 10am | 8am | 4pm |
| 2am | 12pm (noon) | 11am | 9am | 5pm |
| 3am | 1pm | 12pm (noon) | 10am | 6pm |
| 4am | 2pm | 1pm | 11am | 7pm |
| 5am | 3pm | 2pm | 12pm (noon) | 8pm |
| 6am | 4pm | 3pm | 1pm | 9pm |
| 7am | 5pm | 4pm | 2pm | 10pm |
| 8am | 6pm | 5pm | 3pm | 11pm |
| 9am | 7pm | 6pm | 4pm | 12am (midnight) |
| 10am | 8pm | 7pm | 5pm | 1am |
| 11am | 9pm | 8pm | 6pm | 2am |
| 12pm (noon) | 10pm | 9pm | 7pm | 3am |
| 1pm | 11pm | 10pm | 8pm | 4am |
| 2pm | 12am (midnight) | 11pm | 9pm | 5am |
| 3pm | 1am | 12am (midnight) | 10pm | 6am |
| 4pm | 2am | 1am | 11pm | 7am |
| 5pm | 3am | 2am | 12am (midnight) | 8am |
| 6pm | 4am | 3am | 1am | 9am |
| 7pm | 5am | 4am | 2am | 10am |
| 8pm | 6am | 5am | 3am | 11am |
| 9pm | 7am | 6am | 4am | 12pm (noon) |
| 10pm | 8am | 7am | 5am | 1pm |
| 11pm | 9am | 8am | 6am | 2pm |
| 00:00 | 10:00 | 09:00 | 07:00 | 15:00 |
| 01:00 | 11:00 | 10:00 | 08:00 | 16:00 |
| 02:00 | 12:00 | 11:00 | 09:00 | 17:00 |
| 03:00 | 13:00 | 12:00 | 10:00 | 18:00 |
| 04:00 | 14:00 | 13:00 | 11:00 | 19:00 |
| 05:00 | 15:00 | 14:00 | 12:00 | 20:00 |
| 06:00 | 16:00 | 15:00 | 13:00 | 21:00 |
| 07:00 | 17:00 | 16:00 | 14:00 | 22:00 |
| 08:00 | 18:00 | 17:00 | 15:00 | 23:00 |
| 09:00 | 19:00 | 18:00 | 16:00 | 00:00 |
| 10:00 | 20:00 | 19:00 | 17:00 | 01:00 |
| 11:00 | 21:00 | 20:00 | 18:00 | 02:00 |
| 12:00 | 22:00 | 21:00 | 19:00 | 03:00 |
| 13:00 | 23:00 | 22:00 | 20:00 | 04:00 |
| 14:00 | 00:00 | 23:00 | 21:00 | 05:00 |
| 15:00 | 01:00 | 00:00 | 22:00 | 06:00 |
| 16:00 | 02:00 | 01:00 | 23:00 | 07:00 |
| 17:00 | 03:00 | 02:00 | 00:00 | 08:00 |
| 18:00 | 04:00 | 03:00 | 01:00 | 09:00 |
| 19:00 | 05:00 | 04:00 | 02:00 | 10:00 |
| 20:00 | 06:00 | 05:00 | 03:00 | 11:00 |
| 21:00 | 07:00 | 06:00 | 04:00 | 12:00 |
| 22:00 | 08:00 | 07:00 | 05:00 | 13:00 |
| 23:00 | 09:00 | 08:00 | 06:00 | 14:00 |
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
Eastern Daylight Time
Offset: EDT is 4 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Bahamas, Canada, Haiti, Turks & Caicos Is, United States
Principal Cities: The largest city in the EDT 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: HAE - Heure Avancée de l'Est
Spanish: EDT - Tiempo de verano del Este, ET - Zona Sureste
Daylight Saving: Eastern Daylight Time (EDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Eastern Standard Time (EST).
End: Eastern Daylight Time (EDT) ended 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 local standard time instead. Daylight saving ends annually on the first Sunday of November
Start: Eastern Daylight Time (EDT) starts 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. Daylight saving starts annually on the second Sunday of March
EDT representations, usage and related time zones
- -04 - basic short
- -0400 - basic
- -04:00 - extended
- -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the west of the zero meridian.
- Quebec - Military abbreviation for EDT
- Q - short form of 'Quebec'
- 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/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST5EDT
- US/East-Indiana
- US/Eastern
- US/Michigan
- AST - Atlantic Standard Time
- EDT - Eastern Daylight Time
- AMT - Amazon Time
- BOT - Bolivia Time
- CDT - Cuba Daylight Time
- CLT - Chile Standard Time
- FKT - Falkland Island Time
- GYT - Guyana Time
- HLV - Hora Legal de Venezuela
- PYT - Paraguay Time
- Q - Quebec Time Zone
- VET - Venezuelan Standard Time
Central Daylight Time
Offset: CDT is 5 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 CDT time zone is Chicago in the United States, with about 2.696 million people. Other major cities in this time zone include Houston, Ciudad Juarez, San Antonio, Dallas.
French: HAC - Heure Avancée du Centre
Spanish: CT - Zona Centro
Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Central Standard Time (CST).
End: Central Daylight Time (CDT) ended 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 local standard time instead. Daylight saving ends annually on the first Sunday of November
Start: Central Daylight Time (CDT) starts 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. Daylight saving starts annually on the second Sunday of March
CDT 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 CDT
- R - short form of 'Romeo'
- America/Chicago
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Matamoros
- America/Menominee
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Resolute
- America/Winnipeg
- CST6CDT
- Canada/Central
- US/Central
- US/Indiana-Starke
- Central Daylight Time - UTC -5
- Cuba Daylight Time - UTC -4
- 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
British Summer Time
Offset: BST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries using this time zone: Britain (UK), Guernsey, Isle of Man, Jersey
Principal Cities: The largest city in the BST time zone is London in United Kingdom, with about 7.557 million people. Other major cities in this time zone include Birmingham, Glasgow, Liverpool, Saint Helier.
Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use for the most parts it is the same. In military GMT is known as Zulu time.Greenwich Mean Time was the same as Universal Time (UT), until the introduction of UTC in 1972 a standard astronomical concept used in many technical fields.
BST 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 BST
- A - short form of 'Alpha'
- Europe/Belfast
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- British Summer Time - UTC +1
- Bangladesh Standard Time - UTC +6
- Bougainville Standard Time - UTC +11
- 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