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ET/EDT
12am
3am
6am
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12pm
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6pm
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KOST
12am
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6am
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6pm
9pm

Quick answers

Selected conversion

8:00 am08:00 EDT (UTC-4), Oct 13, 2026 = 11:00 pm23:00 KOST (UTC+11), Oct 13, 2026

EDT is 15 hours behind KOST.

How the time difference changes

For most of the year, ET is 15 hours behind KOST. From Nov 1, 2026 to Mar 14, 2027, ET is 16 hours behind KOST.

For most of the year, working hours of 9:00 am to 5:00 pm in ET correspond to 12:00 am (next day) to 8:00 am (next day) in KOST. At other times of the year, working hours of 9:00 am to 5:00 pm in ET correspond to 1:00 am (next day) to 9:00 am (next day) in KOST.For most of the year, working hours of 09:00 to 17:00 in ET correspond to 00:00 (next day) to 08:00 (next day) in KOST. At other times of the year, working hours of 09:00 to 17:00 in ET correspond to 01:00 (next day) to 09:00 (next day) in KOST.

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

Time Difference

Eastern Daylight Time is 15 hours behind Kosrae Time.
8:00 am08:00 in EDT is 11:00 pm23:00 in KOST

EDT to KOST call time
Best time for a conference call or a meeting is between 5pm-6pm17:00-18:00 in EDT which corresponds to 8am-9am08:00-09:00 in KOST (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
11:00 pm23:00 Kosrae Time (KOST). Offset UTC +11:00 hours

8:00 am08:00 EDT / 11:00 pm23:00 KOST

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Hourly time comparison
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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

Kosrae Time

Offset: KOST is 11 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Micronesia

Principal Cities: The largest city in the KOST time zone is Tofol in Micronesia, with about 9,686 people. Other major cities in this time zone include Lelu.

Daylight Saving: Clocks in Kosrae Time (KOST) do not change for daylight saving time, so KOST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

KOST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +11 - basic short
  • +1100 - basic
  • +11:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1100 - sign character (+) followed by a four digit time providing hours (11) and minutes (00) of the offset. Indicates an offset of eleven hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Lima - Military abbreviation for KOST
  • L - short form of 'Lima'
Time zones with the GMT +11 offset:
  • AEDT - Australian Eastern Daylight Time
  • BST - Bougainville Standard Time
  • KOST - Kosrae Time
  • L - Lima Time Zone
  • LHDT - Lord Howe Daylight Time
  • MAGT - Magadan Time
  • NCT - New Caledonia Time
  • NFT - Norfolk Time
  • PETT - Kamchatka Time
  • PONT - Pohnpei Standard Time
  • SBT - Solomon IslandsTime
  • VLAST - Vladivostok Summer Time
  • VUT - Vanuatu Time