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ET/EDT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PT/PDT
UTC−7
3h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
South KoreaKST
UTC+9
13h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

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

EDT is 3 hours ahead of PDT. EDT is 13 hours behind Seoul.

How the time difference changes

ET to PT

Normally, ET is 3 hours ahead of PT. Briefly around seasonal clock changes, ET is 4 hours ahead of PT or ET is 2 hours ahead of PT.

Typically, working hours of 9:00 am to 5:00 pm in ET correspond to 6:00 am to 2:00 pm in PT.Typically, working hours of 09:00 to 17:00 in ET correspond to 06:00 to 14:00 in PT.

ET to Seoul

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

For most of the year, working hours of 9:00 am to 5:00 pm in ET correspond to 10:00 pm to 6:00 am (next day) in Seoul. At other times of the year, working hours of 9:00 am to 5:00 pm in ET correspond to 11:00 pm to 7:00 am (next day) in Seoul.For most of the year, working hours of 09:00 to 17:00 in ET correspond to 22:00 to 06:00 (next day) in Seoul. At other times of the year, working hours of 09:00 to 17:00 in ET correspond to 23:00 to 07:00 (next day) in Seoul.

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

Time Difference

Eastern Daylight Time is 3 hours ahead of Pacific Daylight Time. Eastern Daylight Time is 13 hours behind KST (Korea Standard Time).
8:00 am08:00 in EDT is 5:00 am05:00 in PDT and is 9:00 pm21:00 in Seoul, South Korea

EDT to PDT call time
Best time for a conference call or a meeting is between 12pm-5pm12:00-17:00 in EDT which corresponds to 9am-2pm09:00-14:00 in PDT
EDT to Seoul call time
Best time for a conference call or a meeting is between 6pm-7pm18:00-19:00 in EDT which corresponds to 7am-8am07:00-08:00 in Seoul (next day). Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.

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

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

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Hourly time comparison
ETPTSeoul, South Korea
9:00pm previous day1:00pm
10:00pm previous day2:00pm
11:00pm previous day3:00pm
12:00am4:00pm
1:00am5:00pm
2:00am6:00pm
3:00am7:00pm
4:00am8:00pm
5:00am9:00pm
6:00am10:00pm
7:00am11:00pm
8:00am12:00am next day
9:00am1:00am next day
10:00am2:00am next day
11:00am3:00am next day
12:00pm4:00am next day
1:00pm5:00am next day
2:00pm6:00am next day
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4:00pm8:00am next day
5:00pm9:00am next day
6:00pm10:00am next day
7:00pm11:00am next day
8:00pm12:00pm next day
21:00 previous day13:00
22:00 previous day14:00
23:00 previous day15:00
00:0016:00
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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

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

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