Time Difference

Lanzhou vs Busan Time Difference

Compare the current local time in Lanzhou, China and Busan, South Korea.

Live local timeDST awareUTC offsets

From

Lanzhou

China

10:51 AM

Mon, Aug 17

UTC+8Asia/Shanghai

Difference

1 hour

Swap

Busan

South Korea

11:51 AM

Mon, Aug 17

UTC+9Asia/Seoul

Current difference

Busan is currently 1 hour ahead of Lanzhou.

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

24-hour comparison

Compare Lanzhou and Busan hour by hour

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

24-hour day

Best working-hours overlap

9:00 AM – 5:00 PM in Lanzhou

corresponds to 10:00 AM – 6:00 PM in Busan.

8 hours overlap

Lanzhou

Asia/Shanghai

Busan

Asia/Seoul

Availability

12:00 AM

Mon, Aug 17

1:00 AM

Mon, Aug 17

Night

1:00 AM

Mon, Aug 17

2:00 AM

Mon, Aug 17

Night

2:00 AM

Mon, Aug 17

3:00 AM

Mon, Aug 17

Night

3:00 AM

Mon, Aug 17

4:00 AM

Mon, Aug 17

Night

4:00 AM

Mon, Aug 17

5:00 AM

Mon, Aug 17

Night

5:00 AM

Mon, Aug 17

6:00 AM

Mon, Aug 17

Night

6:00 AM

Mon, Aug 17

7:00 AM

Mon, Aug 17

Night

7:00 AM

Mon, Aug 17

8:00 AM

Mon, Aug 17

Possible

8:00 AM

Mon, Aug 17

9:00 AM

Mon, Aug 17

Possible

9:00 AM

Mon, Aug 17

10:00 AM

Mon, Aug 17

Good overlap

10:00 AM

Mon, Aug 17

11:00 AM

Mon, Aug 17

Good overlap

11:00 AM

Mon, Aug 17

12:00 PM

Mon, Aug 17

Good overlap

12:00 PM

Mon, Aug 17

1:00 PM

Mon, Aug 17

Good overlap

1:00 PM

Mon, Aug 17

2:00 PM

Mon, Aug 17

Good overlap

2:00 PM

Mon, Aug 17

3:00 PM

Mon, Aug 17

Good overlap

3:00 PM

Mon, Aug 17

4:00 PM

Mon, Aug 17

Good overlap

4:00 PM

Mon, Aug 17

5:00 PM

Mon, Aug 17

Good overlap

5:00 PM

Mon, Aug 17

6:00 PM

Mon, Aug 17

Possible

6:00 PM

Mon, Aug 17

7:00 PM

Mon, Aug 17

Possible

7:00 PM

Mon, Aug 17

8:00 PM

Mon, Aug 17

Possible

8:00 PM

Mon, Aug 17

9:00 PM

Mon, Aug 17

Night

9:00 PM

Mon, Aug 17

10:00 PM

Mon, Aug 17

Night

10:00 PM

Mon, Aug 17

11:00 PM

Mon, Aug 17

Night

11:00 PM

Mon, Aug 17

12:00 AM

Next day

Tue, Aug 18

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 Busan from Lanzhou

Compare typical business hours in Lanzhou, China and Busan, South Korea to find a practical time for calls, meetings or international coordination.

Lanzhou

10:51 AM – 5:51 PM

China

Best overlap

Busan

11:51 AM – 6:51 PM

South Korea

The best time to call Busan from Lanzhou is between 10:51 AM and 5:51 PM in Lanzhou. This corresponds to 11:51 AM – 6:51 PM in Busan.

Other reasonable windows

Lanzhou

5:51 PM – 8:51 PM

Busan

6:51 PM – 9:51 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

Lanzhou and Busan time difference explained

Current local-time relationship

Busan is currently 1 hour ahead of Lanzhou.

Lanzhou uses Asia/Shanghai and currently has an offset of UTC+8. Busan 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 9:00 AM to 5:00 PM in Lanzhou, corresponding to 10:00 AM–6:00 PM in Busan.

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 Lanzhou and Busan.

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Local clocks

Explore each city

Current time in Lanzhou Current time in Busan

FAQ

Lanzhou to Busan time difference FAQ

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

What is the time difference between Lanzhou and Busan?

The current time difference between Lanzhou and Busan is 1 hour. Busan is currently 1 hour ahead of Lanzhou.

Is Busan ahead of or behind Lanzhou?

Busan is currently 1 hour ahead of Lanzhou.

What time is it in Busan when it is 9:00 AM in Lanzhou?

Using the current UTC offsets, 9:00 AM in Lanzhou corresponds to 10:00 AM in Busan. The exact difference can change when daylight-saving rules change.

What is the best time to call Busan from Lanzhou?

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

Can the time difference between Lanzhou and Busan change?

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