KST
Korea Standard Time
GMT +9
EDT/EST
Eastern Daylight Time
GMT -4
EST automatically adjusted to EDT time zone, that is in use
California, USA
PDT

Time Difference

Korea Standard Time is 13 hours ahead of Eastern Daylight Time and 16 hours ahead of PDT (Pacific Daylight Time)
8:30 am08:30 in KST is 7:30 pm19:30 in EDT and is 4:30 pm16:30 in Los Angeles, CA, USA

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 Los Angeles call time
Best time for a conference call or a meeting is between 9pm-11pm in KST which corresponds to 5am-7am in Los Angeles

8:30 am08:30 Korea Standard Time (KST). Offset UTC +9:00 hours
7:30 pm19:30 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
4:30 pm16:30 PDT (Pacific Daylight Time) (Los Angeles, CA, USA). Offset UTC -7:00 hours

8:30 am08:30 KST / 7:30 pm19:30 EDT / 4:30 pm16:30 Los Angeles, CA, USA

KST EDT Los Angeles, CA, USA
12am (midnight) 11am 8am
1am 12pm (noon) 9am
2am 1pm 10am
3am 2pm 11am
4am 3pm 12pm (noon)
5am 4pm 1pm
6am 5pm 2pm
7am 6pm 3pm
8am 7pm 4pm
9am 8pm 5pm
10am 9pm 6pm
11am 10pm 7pm
12pm (noon) 11pm 8pm
1pm 12am (midnight) 9pm
2pm 1am 10pm
3pm 2am 11pm
4pm 3am 12am (midnight)
5pm 4am 1am
6pm 5am 2am
7pm 6am 3am
8pm 7am 4am
9pm 8am 5am
10pm 9am 6am
11pm 10am 7am
0:00 11:00 8:00
1:00 12:00 9:00
2:00 13:00 10:00
3:00 14:00 11:00
4:00 15:00 12:00
5:00 16:00 13:00
6:00 17:00 14:00
7:00 18:00 15:00
8:00 19:00 16:00
9:00 20:00 17:00
10:00 21:00 18:00
11:00 22:00 19:00
12:00 23:00 20:00
13:00 0:00 21:00
14:00 1:00 22:00
15:00 2:00 23:00
16:00 3:00 0:00
17:00 4:00 1:00
18:00 5:00 2:00
19:00 6:00 3:00
20:00 7:00 4:00
21:00 8:00 5:00
22:00 9:00 6:00
23:00 10:00 7:00

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 Time Zone Geo Map
KST timezone map

KST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +09 - basic short
  • +0900 - basic
  • +09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • India - Military abbreviation for KST
  • I - short form of 'India'
IANA/Olson: Reflects KST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Pyongyang
  • Asia/Seoul
  • ROK
KST Abbreviation: Several time zones share KST abbreviation and it could refer to these time zones
  • Korea Standard Time - UTC +9
  • Pyongyang Time - UTC +8:30
Time zones with the GMT +9 offset:
  • 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 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

EST Time Zone Geo Map
EST timezone map

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).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: 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.

Daylight saving time clock moves back for one hour from 2am to 1amStart: 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

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for EST
  • R - short form of 'Romeo'
IANA/Olson: Reflects EST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • 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
Time zones with the GMT -5 offset:
  • 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

Los Angeles Information

Time Zone

Abbreviation / Name
PDT - Pacific Daylight Time
HNP - Heure Normale du Pacifique
UTC / GMT Offset
-7:00 hours during Pacific Daylight Time, currently in use.
-8:00 hours during Heure Normale du Pacifique.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3am Sunday, March 9, 2025 at 2:00 am local time. DST starts annually the on second Sunday of March. Clocks are turned forward 1 hour to Sunday, March 9, 2025, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 2am to 1am Sunday, November 2, 2025 at 2:00 am local time. DST ends annually the on first Sunday of November. Clocks are turned backward 1 hour to Sunday, November 2, 2025, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Los Angeles Facts

Country
USA
State
California
Alternative Names
Angelopolis, Ciudad De los Angelos, Cuidad De Los Angelos, El Pueblo de Nuestra Senora La Reina de Los Angeles de Porcivncula, El Pueblo de Nuestra Senora de los Angeles de Porciuncula, El Pueblo de Nuestra Señora de los Ángeles de Porciúncula, El Pueblo del Rio de Nuestra Senora, L.A., LA, LAX, La Reina de Los Angeles de Porciuncula, Lok-chham-ki, Los And'eles, Los Andzelas, Los Andzeles, Los Andzheles, Los Andzhelis, Los Andželas, Los Andželes, Los Angeles, Los Anjeles, Los Anjélés, Los Antzeles, Los Anxheles, Los Anxhelos, Los Anzeles, Los Anzheles, Los Ángeles, Los-Anceles, Los-Andzeles, Los-Andzhehles, Los-Andzheles, Los-Angeleso, Los-Anjeles, Los-Anzheles, Los-Anzheles shaary, Los-Anĝeleso, Losandzelosa, Losandželosa, Lo̍k-chhám-kî, Lungsod ng Los Angeles, Luos Andzels, Luos Andžels, Os Anxeles, Os Ánxeles, Pueblo De Los Angeles, Pueblo Los Angelos, el-ei, las aynjls, las encalas, las enjales, las enjalis, lasa ainjalasa, lasa enjalasa, lasa enjilasa, leas anceles, los-anjelesi, losa enjelasa, losa enjelisa, losa enjelsa, loseuaenjelleseu, loseuenjelleseu, ls anjls, luo shan ji, lws anjls, lws anjlws, lws anjlys, lws ʼngls, rosanzerusu, Λος Άντζελες, Лос Анджелес, Лос Анджелис, Лос Андьелес, Лос Анжелес, Лос Анђелес, Лос Анџелес, Лос Анҷелес, Лос Анӂелес, Лос-Анджелес, Лос-Анджэлес, Лос-Анжелес, Лос-Анжелес шаары, Лос-Анџелес, Լոս Անջելես, לאס אנדזשעלעס, לוס אנגלס, لاس اینجلس, لس آنجلس, لس‌آنجلس, لوس آنجلس, لوس أنجلوس, لوس ئانجېلېس, لوس انجليس, لوس‌آنجلس, لۆس ئانجلەس, लस एञ्जिलस, लस एन्जलस, लास एंजलस, लॉस एंजेलिस, लॉस एंजेल्स, লস অ্যাঞ্জেলেস, ਲਾਸ ਐਂਜਲਸ, લોસ એન્જેલસ, லாஸ் ஏஞ்சலஸ், లాస్ ఏంజలెస్, ಲಾಸ್ ಎಂಜಲೀಸ್, ലോസ് ആഞ്ചെലെസ്, ลอสแอนเจลิส, လော့စ်အိန်ဂျယ်လိစ်မြို့, ლოს-ანჯელესი, ሎስ አንጄሌስ, ロサンゼルス, 洛杉矶, 洛杉磯, 로스앤젤레스, 로스엔젤레스, 엘에이
Population
3,971,883
Currency
Dollar (USD)
Geographic Coordinates
34° 03' N Latitude / 118° 14' W Longitude
International Dialing Code
+1