KST to SAST
-7hKST
KSTSOURCESAST
SASTGreen rows indicate typical business hours (9 AM - 5 PM)
KST and SAST on the World Map
The map below highlights the KST (Korea Standard Time) and SAST (South Africa Standard Time) timezone regions across the globe.
KST – Korea Standard Time
UTC+09:00Korea Standard Time (KST) is the time zone for South Korea, 9 hours ahead of UTC.
- •South Korea does not observe daylight saving time.
- •Seoul is home to Samsung, LG, and Hyundai headquarters.
- •KST is the same offset as JST (UTC+09:00).
SAST – South Africa Standard Time
UTC+02:00South Africa Standard Time (SAST) is the time zone for South Africa and neighboring countries, 2 hours ahead of UTC.
- •South Africa does not observe daylight saving time.
- •SAST is the same offset as EET and Israel Standard Time.
- •The Johannesburg Stock Exchange (JSE) is Africa's largest.
KST to SAST Time Difference – Complete Guide
KST runs on Korea Standard Time (KST) at UTC+09:00. SAST runs on South Africa Standard Time (SAST) at UTC+02:00. That puts KST 7 hours behind SAST — a difference of -7h at the current offsets.
In practice, when it is 9:00 AM in KST it is 2:00 AM in SAST. Midnight in KST is 5:00 PM in SAST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
KST to SAST time conversion table
| KST (KST) | SAST (SAST) | Day |
|---|---|---|
| 12:00 AM | 5:00 PM | previous day |
| 6:00 AM | 11:00 PM | previous day |
| 7:00 AM | 12:00 AM | same day |
| 8:00 AM | 1:00 AM | same day |
| 9:00 AM | 2:00 AM | same day |
| 12:00 PM | 5:00 AM | same day |
| 3:00 PM | 8:00 AM | same day |
| 5:00 PM | 10:00 AM | same day |
| 6:00 PM | 11:00 AM | same day |
| 9:00 PM | 2:00 PM | same day |
Why people convert KST to SAST time
- Scheduling a call from KST to SAST: a 10:00 AM start in KST lands at 3:00 AM in SAST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both KST and SAST are inside the 9-to-5 working day between 4:00 PM and 5:00 PM KST time (9:00 AM–10:00 AM SAST). That is roughly 1 hours of usable overlap.
- Booking travel or deliveries: tracking SAST local time against KST keeps pickup windows and arrival estimates honest across the -7h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM KST" is unambiguous; "3 PM" across a -7h gap is not.
- Block 4:00 PM–5:00 PM KST as the recurring meeting window if you work primarily from KST and need SAST colleagues present.
About KST (Korea Standard Time)
Korea Standard Time (KST) is the time zone used in South Korea. It shares the same UTC offset as Japan Standard Time but is a distinct time zone. South Korea does not observe daylight saving time. Seoul, the capital, is a major global tech and business hub.
About SAST (South Africa Standard Time)
South Africa Standard Time (SAST) is used in South Africa, Lesotho, and Eswatini. SAST does not observe daylight saving time. Johannesburg and Cape Town are major economic hubs in Africa.
Best time to call between KST and SAST
Both KST and SAST sit inside the 9 AM – 5 PM working day between 4:00 PM–5:00 PM KST, which is 9:00 AM–10:00 AM SAST. That gives roughly 1 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
KST and SAST overlap for only 60 minutes (4:00 PM–5:00 PM KST), so meetings have to be booked precisely.
KST is 7 hours behind SAST (KST UTC+09:00 → SAST UTC+02:00). The shared working window is 4:00 PM–5:00 PM KST. Remember to re-check around daylight-saving transitions.
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between KST and SAST?
KST (KST, UTC+09:00) is 7 hours behind SAST (SAST, UTC+02:00). The gap is currently -7h.
How do I convert KST time to SAST time?
Add -7h to KST local time. For example, 9:00 AM in KST is 2:00 AM in SAST.
What time is it in SAST right now?
SAST uses SAST at UTC+02:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -7h offset from KST.
What is the best time to call SAST from KST?
Call between 4:00 PM and 5:00 PM KST — that maps to 9:00 AM–10:00 AM SAST and keeps both parties inside the working day.
Which is behind, KST or SAST?
KST is 7 hours behind SAST. When it is 12:00 PM in KST it is 5:00 AM in SAST.
Does daylight saving time affect the KST–SAST difference?
Neither zone observes daylight saving time, so the -7h offset between KST and SAST is fixed all year.
Which other cities share KST's time zone?
KST also covers Seoul, Busan, Incheon, Daegu, Daejeon, Pyongyang.
Which countries use KST, KST's zone?
KST is used in South Korea, North Korea.
Is there a day difference between KST and SAST?
Not normally. The -7h gap only pushes the date over the previous day.
What is the time difference between KST and SAST?
SAST is -7h from KST.
What timezone is KST in?
KST operates on its local timezone.
What timezone is SAST in?
SAST operates on its local timezone.
Which countries use KST (Korea Standard Time)?
KST is used in South Korea, North Korea.
Does KST observe daylight saving time?
No, KST does not observe daylight saving time and remains at UTC+09:00 year-round.
What are some interesting facts about KST?
South Korea does not observe daylight saving time. Seoul is home to Samsung, LG, and Hyundai headquarters.
Which cities are in the SAST timezone?
Major cities in the SAST timezone include Johannesburg, Cape Town, Durban, Pretoria, Port Elizabeth.
What is the UTC offset for SAST?
South Africa Standard Time (SAST) is at UTC+02:00.
What should I know about the SAST timezone?
South Africa does not observe daylight saving time. SAST is the same offset as EET and Israel Standard Time.
When is it midnight in KST, what time is it in SAST?
When it is 12:00 AM (midnight) in KST (KST), it is -7h later in SAST (SAST).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More KST time conversions
- kst to seoul
- kst to south korea
- kst to new york
- kst to london
- kst to dubai
- kst to tokyo
- kst to singapore
- kst to sydney
- kst to los angeles
- kst to paris
- kst to delhi
- kst to mumbai
- kst to berlin
- kst to hong kong
- kst to toronto
- kst to kathmandu
- new york to kst
- london to kst
- dubai to kst
- tokyo to kst
- singapore to kst
- sydney to kst
- los angeles to kst
- paris to kst
- delhi to kst
- mumbai to kst
- berlin to kst
- hong kong to kst
- toronto to kst
- kathmandu to kst
See every conversion from KST →·See every conversion from SAST →