KST to New York City Time Converter

Updating current time…
KST
Korea Standard Time
UTC+9
12am
3am
6am
9am
12pm
3pm
6pm
9pm
New York City
New York, USAEDT
UTC−4
13h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
New York City's clocks go back 1 hour on Sun, Nov 1 · EDT → EST

Quick answers

Selected conversion

9:00 pm21:00 KST (UTC+9), Oct 18, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 18, 2026

KST is 13 hours ahead of New York City.

How the time difference changes

For most of the year, KST is 13 hours ahead of New York City. From Nov 1, 2026 to Mar 14, 2027, KST is 14 hours ahead of New York City.

For most of the year, working hours of 9:00 am to 6:00 pm in KST correspond to 8:00 pm (previous day) to 5:00 am in New York City. At other times of the year, working hours of 9:00 am to 6:00 pm in KST correspond to 7:00 pm (previous day) to 4:00 am in New York City.For most of the year, working hours of 09:00 to 18:00 in KST correspond to 20:00 (previous day) to 05:00 in New York City. At other times of the year, working hours of 09:00 to 18:00 in KST correspond to 19:00 (previous day) to 04:00 in New York City.

Compare KST time with New York City time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Korea Standard Time is 13 hours ahead of EDT (Eastern Daylight Time).
9:00 pm21:00 in KST is 8:00 am08:00 in New York City, NY, USA

KST to New York City call time
Best time for a conference call or a meeting is between 7:30am-8:30am07:30-08:30 in KST which corresponds to 6:30pm-7:30pm18:30-19:30 in New York City (previous day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.

9:00 pm21:00 Korea Standard Time (KST). Offset UTC +9:00 hours
8:00 am08:00 EDT (Eastern Daylight Time) (New York City, NY, USA). Offset UTC -4:00 hours

9:00 pm21:00 KST / 8:00 am08:00 New York City, NY, USA

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Hourly time comparison
KSTNew York City, NY, USA
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Korea Standard Time

Offset: KST is 9 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: North Korea, South Korea

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; see upcoming clock changes worldwide.

Map of the areas on Korea Standard Time (KST)
KST all year

Open the world time zone map© OpenStreetMap

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 an offset of nine hours 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

New York City Time Zone and Facts

Time Zone

Abbreviation / Offset
EDT – Eastern Daylight Time, UTC-4 (now, daylight saving time)
EST – Eastern Standard Time, UTC-5 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, November 1, 2026 at 2:00 amSunday, November 1, 2026 at 02:00: clocks go back 1 hour to 1:00 am01:00 (EST). DST ends on the 1st Sunday of November each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, March 14, 2027 at 2:00 amSunday, March 14, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (EDT). DST starts on the 2nd Sunday of March each year. Also called Spring Forward or Summer Time.
Clock Changes
USA daylight saving time · Clock changes worldwide

New York City Facts

Country
USA
State
New York
Alternative Names
Aebura, Bandar Raya New York, Big Apple, Cathair Nua-Eabhrac, City of New York, Eabhraig Nuadh, Efrog Newydd, Evrek Nowydh, Ga-no-no, Kanon:no, Kanono, Kanón:no, Kota New York, Lungsod ng New York, N'ju-Jork, NY, NYC, Nea Yorke, Nei Yarrick Schtadt, Neu Amsterdam, Neu Jorck, New Amsterdam, New Orange, New Yorc, New York, New York City, New York Stad, New York borg, New York kenti, New York-borg, New Yorke, New Yorku, Niujorkas, Nju Jork, Njujork, Nouvelle Yorck, Nouvieau York, Nov-Jorko, Nova Amsterda, Nova Iorque, Nova York, Nova-York, Novjorko, Novum Eboracum, Nowy Jork, Nua-Eabhrac, Nueva York, Nujorka, Nyja Jorvik, Nyu York Shehiri, Nòva York, Nýja Jórvík, Thanh pho New York, The Big Apple, Thành phố New York, York Berri, manhattan, n'yuyorka, ni'u iyarka siti, niu yue, niu yue shi, niyuyark nakaram, nkhr niwyxrk, nyuyog, nyuyog si, nyuyoku, nyw ywrq, nywywrk, Ņujorka, Νέα Υόρκη, Њу Јорк, Њујорк, Нью-Ёрк, Нью-Йорк, Ню Йорк, ניו יארק, ניו יורק, ניו־יאָרק, نيويورك, نیویارک شہر, نیویورک, न्यूयॉर्क, নিউ ইয়র্ক সিটি, நியூயார்க் நகரம், นครนิวยอร์ก, ნიუ-იორკი, ニューヨーク, マンハッタン, 紐約市, 纽约, 뉴욕, 뉴욕 시
Population
8,804,190
Currency
Dollar (USD)
Geographic Coordinates
40° 42' N Latitude / 74° 00' W Longitude
International Dialing Code
+1
More About New York City
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