Convert AEST to KST
See the time difference between Australian Eastern Standard Time and Korea Standard Time with a live converter, hourly table, and scheduling tools.
How AEST to KST Works
Convert Australian Eastern Standard Time to Korea Standard Time instantly using the fixed standard offsets AEST UTC+10 and KST UTC+9. The converter updates selected times automatically so you can see the exact one-hour difference.
Hour-by-Hour Time Table
Use the visual grid and hour-by-hour table to compare AEST and KST across the day. Export matching times with ICS download or send them to Google Calendar and Gmail for quick planning.
Schedule Meetings Accurately
Find suitable meeting windows between Australia and South Korea with automatic timezone adjustment and DST tracking where applicable. Time data follows the IANA timezone database to reflect historical changes and accurate offsets.
How to Convert AEST to KST
Open the converter page: Go to https://www.xconvert.com/time-converter/aest-to-kst-converter. The page is set up for Australian Eastern Standard Time and Korea Standard Time, which is useful when you are scheduling a supplier call between Australia and South Korea or coordinating operations that involve teams across East Asia.
Add comparison cities if needed: Click + Add City to add cities that matter to your schedule, such as Sydney for Australian business hours and Seoul for South Korean office hours. This is especially practical for industries like logistics, e-commerce, gaming, and manufacturing, where teams in Australia and Korea often need to align customer support, product launches, or shipment updates.
Select the meeting window on the grid: Use the Select button to enter selection mode, then drag across the colored timeline to highlight a time range in purple. For example, dragging from 9:00 AEST to 12:00 AEST shows the matching Korea Standard Time window of 8:00 KST to 11:00 KST, which helps confirm whether a morning meeting in Australia still lands inside standard business hours in Korea.
Export and share the selected time: After selecting a range, use the export options for ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. This is useful when you want to send a confirmed meeting slot to a distributed team so everyone receives the same appointment in their own local calendar without manually rewriting the time.
Understanding the AEST to KST Time Difference
AEST means Australian Eastern Standard Time and KST means Korea Standard Time. AEST is UTC+10, KST is UTC+9, and AEST is 1 hour ahead of KST, which also means KST is 1 hour behind AEST.
That one-hour gap makes scheduling relatively straightforward. If it is 9:00 AEST, it is 8:00 KST; if it is 12:00 AEST, it is 11:00 KST; if it is 15:00 AEST, it is 14:00 KST; and if it is 18:00 AEST, it is 17:00 KST. For business users, this means most daytime coordination between eastern Australia and Korea can be handled without overnight calls.
Daylight saving time is the main reason people get confused about this conversion. AEST is a standard-time abbreviation, and its daylight saving counterpart is AEDT, while KST does not observe DST. Because of that, the AEST-to-KST difference applies specifically when Australia is on AEST, and the difference changes during the months when Australian locations switch from AEST to AEDT.
Geographically, AEST is used in Australia, while KST is used in North Korea and South Korea. In practice, most international business demand for this conversion comes from Australia–South Korea coordination, including trade, education, travel planning, technology partnerships, and regional headquarters communication.
Best Times for Calls and Meetings Between AEST and KST
AEST and KST are close enough that normal office-hour meetings are usually easy to arrange. Since AEST is 1 hour ahead of KST, an Australian morning meeting still falls in the Korean morning, and an Australian afternoon meeting remains in the Korean afternoon.
A practical overlap appears clearly in the standard examples. 9:00 AEST = 8:00 KST and 12:00 AEST = 11:00 KST, so an Australian morning block from 9 AM to noon maps to a Korean morning block from 8 AM to 11 AM. This works well for sales check-ins, procurement calls, and project standups where both teams want to meet before lunch.
The same pattern holds later in the day. 15:00 AEST = 14:00 KST and 18:00 AEST = 17:00 KST, so an Australian mid-afternoon to early-evening window corresponds to a Korean early-afternoon to late-afternoon window. That makes this range useful for end-of-day status reviews in Australia that still reach Korea before the local workday closes.
For recurring meetings, the simplest approach is to anchor the meeting in standard business hours on the AEST side and confirm the Korean equivalent on the grid. Because the difference is only one hour during AEST, teams can often avoid the late-night compromises that are common in Australia–Europe or Australia–North America scheduling.
Frequently Asked Questions
What is the time difference between AEST and KST?
The time difference between Australian Eastern Standard Time and Korea Standard Time is 1 hour. AEST is 1 hour ahead of KST, so when a meeting is scheduled in AEST, participants in Korea join one hour earlier by the clock.
When is 9 AM AEST in KST?
9:00 AEST equals 8:00 KST. This is a useful reference point for morning meetings, especially if an Australian team wants to start early while still keeping the call inside standard office hours in South Korea.
When is 12 PM AEST in KST?
12:00 AEST equals 11:00 KST. This makes midday coordination easy for cross-border work such as vendor updates, classroom sessions, and regional management calls between Australia and Korea.
When is 3 PM AEST in KST?
15:00 AEST equals 14:00 KST. This is often a comfortable time for operational reviews because both sides are still within the core workday and can follow up on tasks before offices close.
When is 6 PM AEST in KST?
18:00 AEST equals 17:00 KST. That timing is useful when an Australian team wants a late-afternoon wrap-up and the Korean side still needs to join before the end of the local business day.
Does the difference between AEST and KST change during DST?
Yes, the difference changes when Australian locations move off AEST and onto AEDT. AEST is a standard-time abbreviation, while KST does not observe DST, so the one-hour difference described here applies during AEST and changes during the months when Australia uses AEDT instead.
What is the best meeting time between AEST and KST?
A strong meeting window is the range shown by the common examples: 9:00 AEST to 12:00 AEST aligns with 8:00 KST to 11:00 KST, and 15:00 AEST to 18:00 AEST aligns with 14:00 KST to 17:00 KST. These windows are practical for remote teams because they keep both sides within daytime working hours and reduce the need for early-start or after-hours calls.
Which countries use AEST and KST?
AEST is used in Australia. KST is used in North Korea and South Korea, though most business, travel, and commercial scheduling demand for this conversion centers on South Korea’s international connections with Australia.