The World Clock Converter
Event Planner

AEST to KST Time Converter

Compare AEST and KST instantly. The clocks below stay in sync with the IANA time-zone database, so daylight-saving transitions are handled automatically for both Sydney and Seoul.

Saturday, Jul 25
04:34
:19PM
Today
Saturday, Jul 25
03:34
:19PM
Today

24-Hour Comparison Timeline

Green = working hours · Yellow = early/late · Red = night

● Best window: 10 AM–5 PM (Sydney)
🇦🇺Sydney
10AM
11AM
12PM
1PM
2PM
3PM
4PM
5PM
6PM
7PM
8PM
9PM
10PM
11PM
12AM
1AM
2AM
3AM
4AM
5AM
6AM
7AM
8AM
9AM
🇰🇷Seoul
9AM
10AM
11AM
12PM
1PM
2PM
3PM
4PM
5PM
6PM
7PM
8PM
9PM
10PM
11PM
12AM
1AM
2AM
3AM
4AM
5AM
6AM
7AM
8AM

24-hour reference table

AEST (Sydney)KST (Seoul)
12:00 AM11:00 PM(Fri, Jul 24)
01:00 AM12:00 AM
02:00 AM01:00 AM
03:00 AM02:00 AM
04:00 AM03:00 AM
05:00 AM04:00 AM
06:00 AM05:00 AM
07:00 AM06:00 AM
08:00 AM07:00 AM
09:00 AM08:00 AM
10:00 AM09:00 AM
11:00 AM10:00 AM
12:00 PM11:00 AM
01:00 PM12:00 PM
02:00 PM01:00 PM
03:00 PM02:00 PM
04:00 PM03:00 PM
05:00 PM04:00 PM
06:00 PM05:00 PM
07:00 PM06:00 PM
08:00 PM07:00 PM
09:00 PM08:00 PM
10:00 PM09:00 PM
11:00 PM10:00 PM

Daylight saving time

Sydney observes daylight saving time; Seoul does not. Expect a one-hour swing when Sydney starts or ends DST.

Working-hours overlap

10 AM–5 PM AEST (9 AM–4 PM KST) — the shared 9-to-5 window for meetings.

Frequently asked questions

What is the time difference between AEST and KST?+

KST (UTC+09:00) is currently 1 hours behind AEST (UTC+10:00). This page recalculates the offset live from the IANA time-zone database, including any daylight-saving transitions.

Does AEST or KST observe daylight saving time?+

Sydney observes daylight saving time; Seoul does not, so the gap changes when Sydney springs forward or falls back. Times on this page always reflect the current local rules.

What are the best meeting hours between Sydney and Seoul?+

Standard 9–5 working hours in Sydney and Seoul overlap from 10 AM to 5 PM AEST (9 AM–4 PM KST). Schedule calls inside this window to keep both sides in normal business hours.

How do I quickly convert AEST to KST?+

Use the live clocks and 24-hour reference table above. Pick any hour on the AEST row to see the matching KST time. The Event Planner also lets you pick a specific date and share it with attendees.

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