Offset
The time difference between Korea Standard Time and Australian Eastern Time is 1 hour.
Korea Standard Time (KST) is behind Australian Eastern Time (AEST).
KST: UTC+9
AEST: UTC+10
Neither Korea Standard Time nor Australian Eastern Time is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–4 PM in Korea Standard Time (10 AM–5 PM in Australian Eastern Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 12:00 PM Korea Standard Time (1:00 PM Australian Eastern Time).
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
South Korea
- New Year's DayThu, Jan 1
- Lunar New YearMon, Feb 16
- Lunar New YearTue, Feb 17
- Lunar New YearWed, Feb 18
- Independence Movement DayMon, Mar 2
- Labour DayFri, May 1
- Children's DayTue, May 5
- Buddha's BirthdayMon, May 25
- Local Election DayWed, Jun 3
- Memorial DaySat, Jun 6
- Constitution DayFri, Jul 17
- Liberation DayMon, Aug 17
- ChuseokThu, Sep 24
- ChuseokFri, Sep 25
- ChuseokSat, Sep 26
- National Foundation DayMon, Oct 5
- Hangul DayFri, Oct 9
- Christmas DayFri, Dec 25
Australia
- New Year's DayThu, Jan 1
- Australia DayMon, Jan 26
- Good FridayFri, Apr 3
- Easter MondayMon, Apr 6
- Christmas DayFri, Dec 25
- St. Stephen's DayMon, Dec 28
About these zones
Korea Standard Time is also known as KST. To call South Korea, dial +82.
Australian Eastern Time is also known as AEST, or AEDT. To call Australia, dial +61.
Australian Eastern Time is approximately 5,200 miles south of Korea Standard Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| KST | AEST | Day |
|---|---|---|
| 12:00 am | 1:00 am | Same day |
| 1:00 am | 2:00 am | Same day |
| 2:00 am | 3:00 am | Same day |
| 3:00 am | 4:00 am | Same day |
| 4:00 am | 5:00 am | Same day |
| 5:00 am | 6:00 am | Same day |
| 6:00 am | 7:00 am | Same day |
| 7:00 am | 8:00 am | Same day |
| 8:00 am | 9:00 am | Same day |
| 9:00 am | 10:00 am | Same day |
| 10:00 am | 11:00 am | Same day |
| 11:00 am | 12:00 pm | Same day |
| 12:00 pm | 1:00 pm | Same day |
| 1:00 pm | 2:00 pm | Same day |
| 2:00 pm | 3:00 pm | Same day |
| 3:00 pm | 4:00 pm | Same day |
| 4:00 pm | 5:00 pm | Same day |
| 5:00 pm | 6:00 pm | Same day |
| 6:00 pm | 7:00 pm | Same day |
| 7:00 pm | 8:00 pm | Same day |
| 8:00 pm | 9:00 pm | Same day |
| 9:00 pm | 10:00 pm | Same day |
| 10:00 pm | 11:00 pm | Same day |
| 11:00 pm | 12:00 am | +1 day |
Daylight saving time
Australian Eastern Time observes daylight saving time; Korea Standard Time does not. The offset between the two zones changes when Australian Eastern Time transitions: on Sunday, October 4, 2026, clocks spring forward from AEST to AEDT.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:12 AM
- Sunset
- 7:51 PM
- Day length
- 14h 38m
- Sunrise
- 6:54 AM
- Sunset
- 4:54 PM
- Day length
- 10h
Daylight overlap: 10h — 5:54 AM–3:54 PM in Korea Standard Time (6:54 AM–4:54 PM in Australian Eastern Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Australian Eastern Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Korea Standard Time
- GMP
- ICN
- PUS
- TAE
- CJJ
- KWJ
- MWX
Airports in Australian Eastern Time
- SYD
- CBR
Related conversions
Common conversions
- What is 9:00 am KST in AEST?
- 9:00 am KST is 10:00 am AEST.
- What is 12:00 pm KST in AEST?
- 12:00 pm KST is 1:00 pm AEST.
- What is 12:30 pm KST in AEST?
- 12:30 pm KST is 1:30 pm AEST.
- What is 2:00 pm KST in AEST?
- 2:00 pm KST is 3:00 pm AEST.
- What is 5:00 pm KST in AEST?
- 5:00 pm KST is 6:00 pm AEST.
- What is 11:30 pm KST in AEST?
- 11:30 pm KST is 12:30 am AEST, the next day.