KST to EDT to CDT to PDT to BST
Time Difference
Korea Standard Time is 13 hours ahead of Eastern Daylight Time and 14 hours ahead of Central Daylight Time and 16 hours ahead of Pacific Daylight Time and 8 hours ahead of British Summer Time
9:30 am09:30 in KST is 8:30 pm20:30 in EDT and is 7:30 pm19:30 in CDT and is 5:30 pm17:30 in PDT and is 1:30 am01:30 in BST
KST to EDT call time
Best time for a conference call or a meeting is between 7:30pm-9:30pm in KST which corresponds to 6:30am-8:30am in EDT
KST to CDT call time
Best time for a conference call or a meeting is between 8pm-10pm in KST which corresponds to 6am-8am in CDT
KST to PDT call time
Best time for a conference call or a meeting is between 9pm-11pm in KST which corresponds to 5am-7am in PDT
KST to BST call time
Best time for a conference call or a meeting is between 4pm-6pm in KST which corresponds to 8am-10am in BST
9:30 am09:30 Korea Standard Time (KST). Offset UTC +9:00 hours
8:30 pm20:30 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
7:30 pm19:30 Central Daylight Time (CDT). Offset UTC -5:00 hours
5:30 pm17:30 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
1:30 am01:30 British Summer Time (BST). Offset UTC +1:00 hour
9:30 am09:30 KST / 8:30 pm20:30 EDT / 7:30 pm19:30 CDT / 5:30 pm17:30 PDT / 1:30 am01:30 BST
| KST | EDT | CDT | PDT | BST |
|---|---|---|---|---|
| 12am (midnight) | 11am | 10am | 8am | 4pm |
| 1am | 12pm (noon) | 11am | 9am | 5pm |
| 2am | 1pm | 12pm (noon) | 10am | 6pm |
| 3am | 2pm | 1pm | 11am | 7pm |
| 4am | 3pm | 2pm | 12pm (noon) | 8pm |
| 5am | 4pm | 3pm | 1pm | 9pm |
| 6am | 5pm | 4pm | 2pm | 10pm |
| 7am | 6pm | 5pm | 3pm | 11pm |
| 8am | 7pm | 6pm | 4pm | 12am (midnight) |
| 9am | 8pm | 7pm | 5pm | 1am |
| 10am | 9pm | 8pm | 6pm | 2am |
| 11am | 10pm | 9pm | 7pm | 3am |
| 12pm (noon) | 11pm | 10pm | 8pm | 4am |
| 1pm | 12am (midnight) | 11pm | 9pm | 5am |
| 2pm | 1am | 12am (midnight) | 10pm | 6am |
| 3pm | 2am | 1am | 11pm | 7am |
| 4pm | 3am | 2am | 12am (midnight) | 8am |
| 5pm | 4am | 3am | 1am | 9am |
| 6pm | 5am | 4am | 2am | 10am |
| 7pm | 6am | 5am | 3am | 11am |
| 8pm | 7am | 6am | 4am | 12pm (noon) |
| 9pm | 8am | 7am | 5am | 1pm |
| 10pm | 9am | 8am | 6am | 2pm |
| 11pm | 10am | 9am | 7am | 3pm |
| 0:00 | 11:00 | 10:00 | 8:00 | 16:00 |
| 1:00 | 12:00 | 11:00 | 9:00 | 17:00 |
| 2:00 | 13:00 | 12:00 | 10:00 | 18:00 |
| 3:00 | 14:00 | 13:00 | 11:00 | 19:00 |
| 4:00 | 15:00 | 14:00 | 12:00 | 20:00 |
| 5:00 | 16:00 | 15:00 | 13:00 | 21:00 |
| 6:00 | 17:00 | 16:00 | 14:00 | 22:00 |
| 7:00 | 18:00 | 17:00 | 15:00 | 23:00 |
| 8:00 | 19:00 | 18:00 | 16:00 | 0:00 |
| 9:00 | 20:00 | 19:00 | 17:00 | 1:00 |
| 10:00 | 21:00 | 20:00 | 18:00 | 2:00 |
| 11:00 | 22:00 | 21:00 | 19:00 | 3:00 |
| 12:00 | 23:00 | 22:00 | 20:00 | 4:00 |
| 13:00 | 0:00 | 23:00 | 21:00 | 5:00 |
| 14:00 | 1:00 | 0:00 | 22:00 | 6:00 |
| 15:00 | 2:00 | 1:00 | 23:00 | 7:00 |
| 16:00 | 3:00 | 2:00 | 0:00 | 8:00 |
| 17:00 | 4:00 | 3:00 | 1:00 | 9:00 |
| 18:00 | 5:00 | 4:00 | 2:00 | 10:00 |
| 19:00 | 6:00 | 5:00 | 3:00 | 11:00 |
| 20:00 | 7:00 | 6:00 | 4:00 | 12:00 |
| 21:00 | 8:00 | 7:00 | 5:00 | 13:00 |
| 22:00 | 9:00 | 8:00 | 6:00 | 14:00 |
| 23:00 | 10:00 | 9:00 | 7:00 | 15:00 |
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
Eastern Daylight Time
Offset: EDT is 4 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Bahamas, Canada, Haiti, Turks & Caicos Is, United States
Principal Cities: The largest city in the EDT 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: 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 timezone, however during winter some places switch clocks for one hour back and observe Eastern Standard Time (EST).
Start: Eastern Daylight Time (EDT) 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: Eastern Daylight Time (EDT) 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
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 four hour and zero minutes time differences 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: It is used in following countries: Canada, Cuba, Mexico, United States
Principal Cities: The largest city in the CDT timezone is Chicago from USA with population about 2.696 million people. Other major cities in the area are Havana, Houston, Ciudad Juarez, San Antonio
French: HAC - Heure Avancée du Centre
Spanish: CT - Zona Centro
Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Central Standard Time (CST).
Start: Central Daylight Time (CDT) 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: Central Daylight Time (CDT) 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
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 five hour and zero minutes time differences 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 Daylight Time
Offset: PDT 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 PDT 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: HAP - Heure Avancée du Pacifique
Spanish: PT - Zona Noroeste
Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Pacific Standard Time (PST).
Start: Pacific Daylight Time (PDT) 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: Pacific Daylight Time (PDT) 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
PDT 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 PDT
- T - short form of 'Tango'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone
British Summer Time
Offset: BST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Britain (UK), Guernsey, Isle of Man, Jersey
Principal Cities: The largest city in the BST timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Birmingham, Glasgow, Liverpool, Saint Helier
Daylight Saving: British Summer Time (BST) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Greenwich Mean Time (GMT).
Start: British Summer Time (BST) started on Sunday, March 30, 2025 at 1:00 am local time and clocks were set one hour forward to Sunday, March 30, 2025, 2:00 am. Daylight saving starts annually the on last Sunday of March
End: British Summer Time (BST) ends on Sunday, October 26, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, October 26, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on last Sunday of October
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 one hour and zero minutes time differences 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
- Brasilia Standard Time - UTC -3
- 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