KOST to EST Converter
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Quick answers
Selected conversion
11:00 pm23:00 KOST (UTC+11), Oct 13, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 13, 2026
KOST is 15 hours ahead of EDT.
KOST and EST (US winter time, UTC-5) examples
These examples always use KOST (UTC+11) and EST (UTC-5). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
KOST is 16 hours ahead of EST.
EST is US Eastern winter time (early November to mid-March). The rest of the year New York uses EDT (UTC-4), one hour later. For Eastern Time that follows daylight saving time, use KOST to ET. For daylight-time examples, use KOST to EDT.
How the time difference changes
For most of the year, KOST is 15 hours ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, KOST is 16 hours ahead of EST.
For most of the year, working hours of 9:00 am to 5:00 pm in KOST correspond to 6:00 pm (previous day) to 2:00 am in EDT. At other times of the year, working hours of 9:00 am to 5:00 pm in KOST correspond to 5:00 pm (previous day) to 1:00 am in EST.For most of the year, working hours of 09:00 to 17:00 in KOST correspond to 18:00 (previous day) to 02:00 in EDT. At other times of the year, working hours of 09:00 to 17:00 in KOST correspond to 17:00 (previous day) to 01:00 in EST.
Compare KOST time with EST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Kosrae Time is 15 hours ahead of Eastern Daylight Time.
11:00 pm23:00 in KOST is 8:00 am08:00 in EDT
KOST to EDT call time
Best time for a conference call or a meeting is between 8am-9am08:00-09:00 in KOST which corresponds to 5pm-6pm17:00-18:00 in EDT (previous day). Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.
11:00 pm23:00 Kosrae Time (KOST). Offset UTC +11:00 hours
8:00 am08:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
11:00 pm23:00 KOST / 8:00 am08:00 EDT
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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
- +11 - basic short
- +1100 - basic
- +11:00 - extended
- +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.
- Lima - Military abbreviation for KOST
- L - short form of 'Lima'
- 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
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT).
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 EST 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
Today the lighter areas are on UTC−4 (EDT).
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).
End: Eastern Standard Time (EST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
Start: Eastern Standard Time (EST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
EST representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -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.
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
- 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
- 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