Updating current time…
KST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
BrazilBRT
UTC−3
12h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

9:00 pm21:00 KST (UTC+9), Oct 18, 2026 = 9:00 am09:00 BRT (UTC-3), Oct 18, 2026

KST is 12 hours ahead of Brasília.

How the time difference changes

KST is 12 hours ahead of Brasilia year-round.

Working hours of 9:00 am to 6:00 pm in KST correspond to 9:00 pm (previous day) to 6:00 am in Brasilia.Working hours of 09:00 to 18:00 in KST correspond to 21:00 (previous day) to 06:00 in Brasilia.

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

Time Difference

Korea Standard Time is 12 hours ahead of BRT (Brasilia Time).
9:00 pm21:00 in KST is 9:00 am09:00 in Brasilia, Brazil

KST to Brasília call time
Best time for a conference call or a meeting is between 7am-8am07:00-08:00 in KST which corresponds to 7pm-8pm19:00-20:00 in Brasília (previous day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.

9:00 pm21:00 Korea Standard Time (KST). Offset UTC +9:00 hours
9:00 am09:00 BRT (Brasilia Time) (Brasilia, Brazil). Offset UTC -3:00 hours

9:00 pm21:00 KST / 9:00 am09:00 Brasilia, Brazil

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Hourly time comparison
KSTBrasilia, Brazil
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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

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +09 - basic short
  • +0900 - basic
  • +09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • India - Military abbreviation for KST
  • I - short form of 'India'
IANA/Olson: Reflects KST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Pyongyang
  • Asia/Seoul
  • ROK
KST Abbreviation: Several time zones share KST abbreviation and it could refer to these time zones
  • Korea Standard Time - UTC +9
  • Pyongyang Time - UTC +8:30
Time zones with the GMT +9 offset:
  • 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

Brasília Time Zone and Facts

Time Zone

Abbreviation / Offset
BRT – Brasilia Time, UTC-3 (no daylight saving time)

Brasília Facts

Country
Brazil
Alternative Names
BSB, Bahsihleihya, Brasilia, Brasiliopolis, Brasilía, Brasília, Braxilia, Braxiłia, Braxìlia, Brazileje, Brazilia, Braziliavaros, Brazilija, Brazilija shaary, Brazilja, Braziljo, Brazilėjė, Brazília, Brazíliaváros, Breselya, Bràsílíà, Mprazilia, ba xi li ya, beulajillia, bra si leiy, brajhiliya, brasili'a, brasiliya, brasylya, brazili'a, brazilia, brazylya, bresiliya, brzylyh, burajiria, byrazylya, piraciliya, Μπραζίλια, Бразилиа, Бразилия, Бразилия шаары, Бразилија, Бразиліа, Бразілія, Ҳавзаи федералии Бразилиа, Բրազիլիա, בראזיליא, ברזיליה, بئرازیلیا, برازيليا, برازیلیا, برازیلیہ, براسیلیا, بەڕازیلیا, ބްރަސީލިއާ, ब्रसिलिया, ब्राझिलिया, ब्रासीलिया, ব্রাসিলিয়া, ਬ੍ਰਾਜ਼ੀਲੀਆ, ବ୍ରାସିଲିଆ, பிரசிலியா, ಬ್ರೆಸಿಲಿಯಾ, ബ്രസീലിയ, บราซีเลีย, པུ་རུ་ཟི་ལི་ཡ།, ဘရာစေးလေးယားမြို့, ბრაზილია, ብራዚሊያ, ブラジリア, 巴西利亚, 巴西利亞, 브라질리아
Population
2,207,718
Currency
Real (BRL)
Geographic Coordinates
15° 46' S Latitude / 47° 55' W Longitude
International Dialing Code
+55