Updating current time…
South KoreaKST
UTC+9
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PT/PDT
UTC−7
16h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
ET/EDT
UTC−4
13h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

9:00 pm21:00 KST (UTC+9), Oct 14, 2026 = 5:00 am05:00 PDT (UTC-7), Oct 14, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 14, 2026

Seoul is 16 hours ahead of PDT. Seoul is 13 hours ahead of EDT.

How the time difference changes

Seoul to PT

For most of the year, Seoul is 16 hours ahead of PT. From Nov 1, 2026 to Mar 14, 2027, Seoul is 17 hours ahead of PT.

For most of the year, working hours of 9:00 am to 5:00 pm in Seoul correspond to 5:00 pm (previous day) to 1:00 am in PT. At other times of the year, working hours of 9:00 am to 5:00 pm in Seoul correspond to 4:00 pm (previous day) to 12:00 am in PT.For most of the year, working hours of 09:00 to 17:00 in Seoul correspond to 17:00 (previous day) to 01:00 in PT. At other times of the year, working hours of 09:00 to 17:00 in Seoul correspond to 16:00 (previous day) to 00:00 in PT.

Seoul to ET

For most of the year, Seoul is 13 hours ahead of ET. From Nov 1, 2026 to Mar 14, 2027, Seoul is 14 hours ahead of ET.

For most of the year, working hours of 9:00 am to 5:00 pm in Seoul correspond to 8:00 pm (previous day) to 4:00 am in ET. At other times of the year, working hours of 9:00 am to 5:00 pm in Seoul correspond to 7:00 pm (previous day) to 3:00 am in ET.For most of the year, working hours of 09:00 to 17:00 in Seoul correspond to 20:00 (previous day) to 04:00 in ET. At other times of the year, working hours of 09:00 to 17:00 in Seoul correspond to 19:00 (previous day) to 03:00 in ET.

Compare Seoul time with PT and ET time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

KST (Korea Standard Time) is 16 hours ahead of Pacific Daylight Time. KST (Korea Standard Time) is 13 hours ahead of Eastern Daylight Time.
9:00 pm21:00 in Seoul, South Korea is 5:00 am05:00 in PDT and is 8:00 am08:00 in EDT

Seoul to PDT call time
Best time for a conference call or a meeting is between 8:30am-9:30am08:30-09:30 in Seoul which corresponds to 4:30pm-5:30pm16:30-17:30 in PDT (previous day). Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.
Seoul to EDT call time
Best time for a conference call or a meeting is between 7am-8am07:00-08:00 in Seoul which corresponds to 6pm-7pm18:00-19:00 in EDT (previous day). Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.

9:00 pm21:00 KST (Korea Standard Time) (Seoul, South Korea). Offset UTC +9:00 hours
5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
8:00 am08:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours

9:00 pm21:00 Seoul, South Korea / 5:00 am05:00 PDT / 8:00 am08:00 EDT

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
Seoul, South KoreaPTET
8:00am previous day11:00am previous day
9:00am previous day12:00pm previous day
10:00am previous day1:00pm previous day
11:00am previous day2:00pm previous day
12:00pm previous day3:00pm previous day
1:00pm previous day4:00pm previous day
2:00pm previous day5:00pm previous day
3:00pm previous day6:00pm previous day
4:00pm previous day7:00pm previous day
5:00pm previous day8:00pm previous day
6:00pm previous day9:00pm previous day
7:00pm previous day10:00pm previous day
8:00pm previous day11:00pm previous day
9:00pm previous day12:00am
10:00pm previous day1:00am
11:00pm previous day2:00am
12:00am3:00am
1:00am4:00am
2:00am5:00am
3:00am6:00am
4:00am7:00am
5:00am8:00am
6:00am9:00am
7:00am10:00am
08:00 previous day11:00 previous day
09:00 previous day12:00 previous day
10:00 previous day13:00 previous day
11:00 previous day14:00 previous day
12:00 previous day15:00 previous day
13:00 previous day16:00 previous day
14:00 previous day17:00 previous day
15:00 previous day18:00 previous day
16:00 previous day19:00 previous day
17:00 previous day20:00 previous day
18:00 previous day21:00 previous day
19:00 previous day22:00 previous day
20:00 previous day23:00 previous day
21:00 previous day00:00
22:00 previous day01:00
23:00 previous day02:00
00:0003:00
01:0004:00
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06:0009:00
07:0010:00

Seoul Time Zone and Facts

Time Zone

Abbreviation / Offset
KST – Korea Standard Time, UTC+9 (no daylight saving time)

Seoul Facts

Country
South Korea
Alternative Names
Hanyang, SEL, Seoel, Seol, Seoul, Seoul-si, Seuel, Seul, Seula, Seulas, Seulo, Seulum, Seúl, Seül, Siul, Soeul, Sol, Soul, Sye-ul, Syou-ouen, Szoeul, Szöul, Séoul, Sêûl, Söul, Sŏul, Wang-ching, Wo-jo, Wō-jō, ciyol, han-yang, saul, seoul, seoulsi, seoulteugbyeolsi, seuli, shou er, shou er te bie shi, si'ula, siyola, sol, sola, souru, souru te bie shi, sywl, Σεούλ, Сеул, Соул, Сөүл, Սեուլ, סאול, סיאול, סעאל, سئول, سيول, سیول, سێئول, سېئول, सियोल, सोल, সিউল, சியோல், ಸೌಲ್, സോൾ, โซล, སེ་ཨུལ།, ဆိုးလ်မြို့, სეული, ሶል, សេអ៊ូល, ソウル, ソウル特別市, 首尔, 首尔特别市, 서울, 서울시, 서울특별시, 한양
Population
10,349,312
Currency
Won (KRW)
Geographic Coordinates
37° 33' N Latitude / 126° 58' E Longitude
International Dialing Code
+82

Pacific Time

Pacific Time (PT) is a general term used to describe the areas that observe either the Pacific Standard Time (PST) or Pacific Daylight Time (PDT) in the United States and Canada. PT also called Pacific Coast Time. PT is not static but switches between PDT and PST.

Territories observing the Pacific Time Zone are primarily in North America. It runs through the western part of Canada, the United States and the Northwestern part of Mexico.

Countries using this time zone: Canada, Mexico, United States.

Principal Cities: The largest city in the PT time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.

French: HNP - Heure Normale du Pacifique

Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste

PT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -08 - basic short
  • -0800 - basic
  • -08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Uniform - Military abbreviation for PT
  • U - short form of 'Uniform'
Time zones with the GMT -8 offset:
  • AKDT - Alaska Daylight Time
  • PST - Pacific Standard Time
  • PT - Pacific Time
  • PST - Pitcairn Standard Time
  • U - Uniform Time Zone

Eastern Time

Eastern Time (ET) is a general term used to describe the areas that observe either the Eastern Standard Time (EST) or Eastern Daylight Time (EDT) in the United States and Canada. ET is not static but switches between EDT and EST.

ET is also used somewhat as a de facto official time for all of the United States because it encompasses 17 U.S. states in the eastern part of the contiguous United States including the capital city Washington D.C., the most populous city New York and half of the country’s population.

In the United States nationally televised programs, evening newscasts, talent and awards shows, and any other nationally televised event that airs live on American television during prime time and on the weekends are broadcast live in the Eastern Time Zone. Major professional sports leagues MLB, NBA, NFL and NHL also provide their game times in Eastern Time, even if teams are from outside of Eastern Time.

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 ET time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.

French: HNE - Heure Normale de l'Est

Spanish: ET - Tiempo del Este, ET - Zona Sureste

Map of the areas on Eastern Time (ET)
ET all year ET part of the year

Today the lighter areas are on UTC−5 (Central Daylight Time, EST).

ET 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 an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for ET
  • R - short form of 'Romeo'
ET Abbreviation: Several time zones share ET abbreviation and it could refer to these time zones
  • Eastern Time - UTC -5
  • Tiempo del Este - UTC -5
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