South Korea to Perth
-1hSouth Korea
KSTSOURCEPerth
AWSTGreen rows indicate typical business hours (9 AM - 5 PM)
KST and AWST on the World Map
The map below highlights the KST (Korea Standard Time) and AWST (Australian Western 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).
AWST – Australian Western Standard Time
UTC+08:00Australian Western Standard Time (AWST) is the time zone for Western Australia, 8 hours ahead of UTC.
- •Western Australia does not observe daylight saving time.
- •Perth is the most isolated major city in the world.
- •AWST is the same offset as China Standard Time and Singapore Time.
About Perth
WikipediaPerth operates on Australian Western Time (AWST), UTC+8 with no daylight saving. As Australia's mining capital, Perth coordinates with Asian markets.
Western Australia does not observe daylight saving time.
South Korea to Perth Time Difference – Complete Guide
South Korea runs on Korean Standard Time (KST) at UTC+09:00. Perth runs on Australian Western Standard Time (AWST) at UTC+08:00. That puts South Korea 1 hour behind Perth — a difference of -1h at the current offsets.
In practice, when it is 9:00 AM in South Korea it is 8:00 AM in Perth. Midnight in South Korea is 11:00 PM in Perth. Neither zone observes daylight saving time, so the offset between them stays constant all year.
South Korea to Perth time conversion table
| South Korea (KST) | Perth (AWST) | Day |
|---|---|---|
| 12:00 AM | 11:00 PM | previous day |
| 6:00 AM | 5:00 AM | same day |
| 7:00 AM | 6:00 AM | same day |
| 8:00 AM | 7:00 AM | same day |
| 9:00 AM | 8:00 AM | same day |
| 12:00 PM | 11:00 AM | same day |
| 3:00 PM | 2:00 PM | same day |
| 5:00 PM | 4:00 PM | same day |
| 6:00 PM | 5:00 PM | same day |
| 9:00 PM | 8:00 PM | same day |
Why people convert South Korea to Perth time
- Scheduling a call from South Korea to Perth: a 10:00 AM start in South Korea lands at 9:00 AM in Perth, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both South Korea and Perth are inside the 9-to-5 working day between 10:00 AM and 5:00 PM KST time (9:00 AM–4:00 PM AWST). That is roughly 7 hours of usable overlap.
- Booking travel or deliveries: tracking Perth local time against South Korea keeps pickup windows and arrival estimates honest across the -1h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM KST" is unambiguous; "3 PM" across a -1h gap is not.
- Block 10:00 AM–5:00 PM KST as the recurring meeting window if you work primarily from South Korea and need Perth 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 AWST (Australian Western Standard Time)
Australian Western Standard Time (AWST) is used in Western Australia. WA does not observe daylight saving time, having rejected it in multiple referendums. Perth is the most remote major city in the world.
Best time to call between South Korea and Perth
Both South Korea and Perth sit inside the 9 AM – 5 PM working day between 10:00 AM–5:00 PM KST, which is 9:00 AM–4:00 PM AWST. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
South Korea and Perth share 7 hours of working-hours overlap (10:00 AM–5:00 PM KST), so scheduling a live meeting is straightforward.
South Korea is 1 hour behind Perth (KST UTC+09:00 → AWST UTC+08:00). The shared working window is 10:00 AM–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 South Korea and Perth?
South Korea (KST, UTC+09:00) is 1 hour behind Perth (AWST, UTC+08:00). The gap is currently -1h.
How do I convert South Korea time to Perth time?
Add -1h to South Korea local time. For example, 9:00 AM in South Korea is 8:00 AM in Perth.
What time is it in Perth right now?
Perth uses AWST at UTC+08:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -1h offset from South Korea.
What is the best time to call Perth from South Korea?
Call between 10:00 AM and 5:00 PM KST — that maps to 9:00 AM–4:00 PM AWST and keeps both parties inside the working day.
Which is behind, South Korea or Perth?
South Korea is 1 hour behind Perth. When it is 12:00 PM in South Korea it is 11:00 AM in Perth.
Do South Korea and Perth use different time zones?
South Korea (South Korea) uses KST at UTC+09:00, while Perth (Australia) uses AWST at UTC+08:00. The IANA identifiers are Asia/Seoul and Australia/Perth.
Does daylight saving time affect the South Korea–Perth difference?
Neither zone observes daylight saving time, so the -1h offset between South Korea and Perth is fixed all year.
Which other cities share South Korea's time zone?
KST also covers Seoul, Busan, Incheon, Daegu, Daejeon, Pyongyang.
Which countries use KST, South Korea's zone?
KST is used in South Korea, North Korea.
Is there a day difference between South Korea and Perth?
Not normally. The -1h gap only pushes the date over the previous day.
What is the time difference between South Korea and Perth?
Perth is -1h from South Korea.
What timezone is South Korea in?
South Korea operates on its local timezone.
What timezone is Perth in?
Perth operates on Australian Western Time (AWST), UTC+8 with no daylight saving. As Australia's mining capital, Perth coordinates with Asian markets.
What are the business hours in Perth?
Standard business hours in Perth are 9:00 AM - 5:00 PM AWST.
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 AWST timezone?
Major cities in the AWST timezone include Perth, Mandurah, Bunbury, Geraldton.
What is the UTC offset for AWST?
Australian Western Standard Time (AWST) is at UTC+08:00.
What should I know about the AWST timezone?
Western Australia does not observe daylight saving time. Perth is the most isolated major city in the world.
When is it midnight in South Korea, what time is it in Perth?
When it is 12:00 AM (midnight) in South Korea (KST), it is -1h later in Perth (AWST).
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