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KST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
SAST
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

9:00 pm21:00 KST (UTC+9), Oct 18, 2026 = 2:00 pm14:00 SAST (UTC+2), Oct 18, 2026

KST is 7 hours ahead of SAST.

KST and SAST examples

These examples always use KST (UTC+9) and SAST (UTC+2). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

KST is 7 hours ahead of SAST.

How the time difference changes

KST is 7 hours ahead of SAST year-round.

Working hours of 9:00 am to 6:00 pm in KST correspond to 2:00 am to 11:00 am in SAST.Working hours of 09:00 to 18:00 in KST correspond to 02:00 to 11:00 in SAST.

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

Time Difference

Korea Standard Time is 7 hours ahead of South Africa Standard Time.
9:00 pm21:00 in KST is 2:00 pm14:00 in SAST

KST to SAST call time
Best time for a conference call or a meeting is between 4pm-6pm16:00-18:00 in KST which corresponds to 9am-11am09:00-11:00 in SAST

9:00 pm21:00 Korea Standard Time (KST). Offset UTC +9:00 hours
2:00 pm14:00 South Africa Standard Time (SAST). Offset UTC +2:00 hours

9:00 pm21:00 KST / 2:00 pm14:00 SAST

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Hourly time comparison
KSTSAST
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17:00 previous day
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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

South Africa Standard Time

Offset: SAST is 2 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Eswatini, Lesotho, South Africa

Principal Cities: The largest city in the SAST time zone is Johannesburg in South Africa, with about 9.418 million people. Other major cities in this time zone include Cape Town, Durban, Pretoria, Gqeberha.

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

SAST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +02 - basic short
  • +0200 - basic
  • +02:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Bravo - Military abbreviation for SAST
  • B - short form of 'Bravo'
IANA/Olson: Reflects SAST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Johannesburg
  • Africa/Maseru
  • Africa/Mbabane
Time zones with the GMT +2 offset:
  • CEST - Central European Summer Time
  • EET - Eastern European Time
  • MESZ - Mitteleuropäische Sommerzeit
  • B - Bravo Time Zone
  • CAT - Central Africa Time
  • IST - Israel Standard Time
  • SAST - South Africa Standard Time
  • WAST - West Africa Summer Time