Time Difference

Sydney vs Seoul Time Difference

Compare the current local time in Sydney, Australia and Seoul, South Korea.

Live local timeDST awareUTC offsets

From

Sydney

Australia

11:50 AM

Mon, Aug 17

UTC+10Australia/Sydney

Difference

1 hour

Swap

Seoul

South Korea

10:50 AM

Mon, Aug 17

UTC+9Asia/Seoul

Current difference

Seoul is currently 1 hour behind Sydney.

This difference is calculated using the current UTC offsets for both locations and automatically reflects daylight-saving changes.

24-hour comparison

Compare Sydney and Seoul hour by hour

See how a full local day in Sydney, Australia maps to Seoul, South Korea. TimeInOne automatically accounts for timezone offsets, date changes and daylight-saving transitions.

24-hour day

Best working-hours overlap

10:00 AM – 6:00 PM in Sydney

corresponds to 9:00 AM – 5:00 PM in Seoul.

8 hours overlap

Sydney

Australia/Sydney

Seoul

Asia/Seoul

Availability

12:00 AM

Mon, Aug 17

11:00 PM

Previous day

Sun, Aug 16

Night

1:00 AM

Mon, Aug 17

12:00 AM

Mon, Aug 17

Night

2:00 AM

Mon, Aug 17

1:00 AM

Mon, Aug 17

Night

3:00 AM

Mon, Aug 17

2:00 AM

Mon, Aug 17

Night

4:00 AM

Mon, Aug 17

3:00 AM

Mon, Aug 17

Night

5:00 AM

Mon, Aug 17

4:00 AM

Mon, Aug 17

Night

6:00 AM

Mon, Aug 17

5:00 AM

Mon, Aug 17

Night

7:00 AM

Mon, Aug 17

6:00 AM

Mon, Aug 17

Night

8:00 AM

Mon, Aug 17

7:00 AM

Mon, Aug 17

Possible

9:00 AM

Mon, Aug 17

8:00 AM

Mon, Aug 17

Possible

10:00 AM

Mon, Aug 17

9:00 AM

Mon, Aug 17

Good overlap

11:00 AM

Mon, Aug 17

10:00 AM

Mon, Aug 17

Good overlap

12:00 PM

Mon, Aug 17

11:00 AM

Mon, Aug 17

Good overlap

1:00 PM

Mon, Aug 17

12:00 PM

Mon, Aug 17

Good overlap

2:00 PM

Mon, Aug 17

1:00 PM

Mon, Aug 17

Good overlap

3:00 PM

Mon, Aug 17

2:00 PM

Mon, Aug 17

Good overlap

4:00 PM

Mon, Aug 17

3:00 PM

Mon, Aug 17

Good overlap

5:00 PM

Mon, Aug 17

4:00 PM

Mon, Aug 17

Good overlap

6:00 PM

Mon, Aug 17

5:00 PM

Mon, Aug 17

Possible

7:00 PM

Mon, Aug 17

6:00 PM

Mon, Aug 17

Possible

8:00 PM

Mon, Aug 17

7:00 PM

Mon, Aug 17

Possible

9:00 PM

Mon, Aug 17

8:00 PM

Mon, Aug 17

Night

10:00 PM

Mon, Aug 17

9:00 PM

Mon, Aug 17

Night

11:00 PM

Mon, Aug 17

10:00 PM

Mon, Aug 17

Night

Working-hour labels use a general 9:00 AM–6:00 PM schedule. Individual schedules may differ.

On daylight-saving transition dates, a local day can contain 23 or 25 real hours instead of 24.

Call planning

Best time to call Seoul from Sydney

Compare typical business hours in Sydney, Australia and Seoul, South Korea to find a practical time for calls, meetings or international coordination.

Sydney

11:50 AM – 6:50 PM

Australia

Best overlap

Seoul

10:50 AM – 5:50 PM

South Korea

The best time to call Seoul from Sydney is between 11:50 AM and 6:50 PM in Sydney. This corresponds to 10:50 AM – 5:50 PM in Seoul.

Other reasonable windows

Sydney

6:50 PM – 9:50 PM

Seoul

5:50 PM – 8:50 PM

Recommendations use typical 9:00 AM–6:00 PM business hours and a broader 7:00 AM–9:00 PM acceptable calling window. Individual schedules may differ.

Time difference explained

Sydney and Seoul time difference explained

Current local-time relationship

Seoul is currently 1 hour behind Sydney.

Sydney uses Australia/Sydney and currently has an offset of UTC+10. Seoul uses Asia/Seoul and currently has an offset of UTC+9.

Working-hours overlap

For a typical 9:00 AM–6:00 PM workday, the cities overlap from 10:00 AM to 6:00 PM in Sydney, corresponding to 9:00 AM–5:00 PM in Seoul.

Because UTC offsets can change during the year, always check the selected date when planning an important international call or meeting.

Convert a specific time

Need more than the current difference?

Convert a specific date and local time between Sydney and Seoul.

Open time converter

Local clocks

Explore each city

Current time in Sydney Current time in Seoul

FAQ

Sydney to Seoul time difference FAQ

Common questions about the current time difference, UTC offsets, daylight-saving changes and practical calling hours between Sydney and Seoul.

What is the time difference between Sydney and Seoul?

The current time difference between Sydney and Seoul is 1 hour. Seoul is currently 1 hour behind Sydney.

Is Seoul ahead of or behind Sydney?

Seoul is currently 1 hour behind Sydney.

What time is it in Seoul when it is 9:00 AM in Sydney?

Using the current UTC offsets, 9:00 AM in Sydney corresponds to 8:00 AM in Seoul. The exact difference can change when daylight-saving rules change.

What is the best time to call Seoul from Sydney?

Typical 9:00 AM–6:00 PM business hours overlap between 10:00 AM and 6:00 PM in Sydney. This corresponds to 9:00 AM–5:00 PM in Seoul.

Can the time difference between Sydney and Seoul change?

Yes. The time difference can change if Sydney or Seoul changes its UTC offset because of daylight-saving or other local time-zone rules. TimeInOne uses the IANA zones Australia/Sydney and Asia/Seoul for date-aware calculations.