KST to CHUT Converter
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
9:00 pm21:00 KST (UTC+9), Oct 17, 2026 = 10:00 pm22:00 CHUT (UTC+10), Oct 17, 2026
KST is 1 hour behind CHUT.
KST and CHUT examples
These examples always use KST (UTC+9) and CHUT (UTC+10). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
KST is 1 hour behind CHUT.
How the time difference changes
KST is 1 hour behind CHUT year-round.
Working hours of 9:00 am to 6:00 pm in KST correspond to 10:00 am to 7:00 pm in CHUT.Working hours of 09:00 to 18:00 in KST correspond to 10:00 to 19:00 in CHUT.
Compare KST time with CHUT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Korea Standard Time is 1 hour behind Chuuk Time.
9:00 pm21:00 in KST is 10:00 pm22:00 in CHUT
KST to CHUT call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in KST which corresponds to 10am-6pm10:00-18:00 in CHUT
9:00 pm21:00 Korea Standard Time (KST). Offset UTC +9:00 hours
10:00 pm22:00 Chuuk Time (CHUT). Offset UTC +10:00 hours
9:00 pm21:00 KST / 10:00 pm22:00 CHUT
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.
| KST | CHUT |
|---|---|
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| 12:00am next day | |
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| 00:00 next day |
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.
KST representations, usage and related time zones
- +09 - basic short
- +0900 - basic
- +09:00 - extended
- +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.
- India - Military abbreviation for KST
- I - short form of 'India'
- Asia/Pyongyang
- Asia/Seoul
- ROK
- Korea Standard Time - UTC +9
- Pyongyang Time - UTC +8:30
- 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
Chuuk Time
Offset: CHUT is 10 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Micronesia
Principal Cities: The largest city in the CHUT time zone is Weno in Micronesia, with about 13,856 people. Other major cities in this time zone include Colonia, Nema, Murilo, Fais.
Daylight Saving: Clocks in Chuuk Time (CHUT) do not change for daylight saving time, so CHUT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
CHUT representations, usage and related time zones
- +10 - basic short
- +1000 - basic
- +10:00 - extended
- +1000 - sign character (+) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates an offset of ten hours to the east of the zero meridian.
- Kilo - Military abbreviation for CHUT
- K - short form of 'Kilo'
- AEST - Australian Eastern Standard Time
- CHUT - Chuuk Time
- ChST - Chamorro Standard Time
- K - Kilo Time Zone
- KDT - Korea Daylight Time
- PGT - Papua New Guinea Time
- VLAT - Vladivostok Time
- YAKST - Yakutsk Summer Time
- YAPT - Yap Time