ACST to KST Time Converter
KST is 1 hour 30 minutes behind ACST right now. 9:00 AM in ACST is 7:30 AM in KST.
Time now: ACST and KST
KST is 1 hour 30 minutes behind ACST right now. The gap is not fixed: it is 1 hour 30 minutes at some times of the year and 30 minutes at others, because at least one of them changes its clocks for daylight saving time.
ACST to KST conversion table
Every hour of the day, using today's time difference.
| ACST | KST |
|---|---|
| 12:00 AM | 10:30 PMprevious day |
| 1:00 AM | 11:30 PMprevious day |
| 2:00 AM | 12:30 AM |
| 3:00 AM | 1:30 AM |
| 4:00 AM | 2:30 AM |
| 5:00 AM | 3:30 AM |
| 6:00 AM | 4:30 AM |
| 7:00 AM | 5:30 AM |
| 8:00 AM | 6:30 AM |
| 9:00 AM | 7:30 AM |
| 10:00 AM | 8:30 AM |
| 11:00 AM | 9:30 AM |
| 12:00 PM | 10:30 AM |
| 1:00 PM | 11:30 AM |
| 2:00 PM | 12:30 PM |
| 3:00 PM | 1:30 PM |
| 4:00 PM | 2:30 PM |
| 5:00 PM | 3:30 PM |
| 6:00 PM | 4:30 PM |
| 7:00 PM | 5:30 PM |
| 8:00 PM | 6:30 PM |
| 9:00 PM | 7:30 PM |
| 10:00 PM | 8:30 PM |
| 11:00 PM | 9:30 PM |
Best time to meet between ACST and KST
Working hours overlap (9 AM – 6 PM in both places):
- 11:00 AM – 6:00 PM ACST = 9:30 AM – 4:30 PM KST
The time difference changes during the year because of daylight saving time, so these windows shift by an hour at other times.
Does the time difference between ACST and KST change?
Yes. Right now KST is 1 hour 30 minutes behind ACST. These are the dates in the next 12 months when the gap changes:
- Sunday, 4 April 2027: ACST moves its clocks back. KST is 30 minutes behind ACST from then (it was 1 hour 30 minutes before).
- Sunday, 3 October 2027: ACST moves its clocks forward. KST is 1 hour 30 minutes behind ACST from then (it was 30 minutes before).
Office hours in each other's time
- 9 AM to 6 PM in ACST is 7:30 AM to 4:30 PM in KST.
- 9 AM to 6 PM in KST is 10:30 AM to 7:30 PM in ACST.
Based on today's clock settings.
Frequently asked questions
What is the time difference between ACST and KST?
KST is 1 hour 30 minutes behind ACST right now. The gap is not fixed: it is 1 hour 30 minutes at some times of the year and 30 minutes at others, because at least one of them changes its clocks for daylight saving time.
How do I convert ACST to KST?
Subtract 1 hour 30 minutes from the ACST time to get the KST time (at today's difference). 9:00 AM in ACST is 7:30 AM in KST. Or use the converter above and pick any date and time.
What is the current time in KST?
It is 8:59 AM in KST on Tuesday, November 10 (the converter above shows it live). At the same moment it is 10:29 AM in ACST.
Does the time difference between ACST and KST change during the year?
Yes. Right now KST is 1 hour 30 minutes behind ACST. Over the next 12 months the gap changes 2 times: Sunday, 4 April 2027: ACST moves its clocks back. KST is 30 minutes behind ACST from then (it was 1 hour 30 minutes before). Sunday, 3 October 2027: ACST moves its clocks forward. KST is 1 hour 30 minutes behind ACST from then (it was 30 minutes before).
What is the best time for a meeting between ACST and KST?
Between 9 AM and 6 PM in both places you can meet at 11:00 AM – 6:00 PM ACST = 9:30 AM – 4:30 PM KST. Check the overlap section on this page for every option.