Time Difference

Busan vs Lanzhou Time Difference

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

Live local timeDST awareUTC offsets

From

Busan

South Korea

8:31 AM

Mon, Aug 17

UTC+9Asia/Seoul

Difference

1 hour

Swap

Lanzhou

China

7:31 AM

Mon, Aug 17

UTC+8Asia/Shanghai

Current difference

Lanzhou is currently 1 hour behind Busan.

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

24-hour comparison

Compare Busan and Lanzhou hour by hour

See how a full local day in Busan, South Korea maps to Lanzhou, China. 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 Busan

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

8 hours overlap

Busan

Asia/Seoul

Lanzhou

Asia/Shanghai

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 Lanzhou from Busan

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

Busan

10:31 AM – 6:31 PM

South Korea

Best overlap

Lanzhou

9:31 AM – 5:31 PM

China

The best time to call Lanzhou from Busan is between 10:31 AM and 6:31 PM in Busan. This corresponds to 9:31 AM – 5:31 PM in Lanzhou.

Other reasonable windows

Busan

8:31 AM – 10:31 AM

Lanzhou

7:31 AM – 9:31 AM

Busan

6:31 PM – 9:31 PM

Lanzhou

5:31 PM – 8:31 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

Busan and Lanzhou time difference explained

Current local-time relationship

Lanzhou is currently 1 hour behind Busan.

Busan uses Asia/Seoul and currently has an offset of UTC+9. Lanzhou uses Asia/Shanghai and currently has an offset of UTC+8.

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 Busan, corresponding to 9:00 AM–5:00 PM in Lanzhou.

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 Busan and Lanzhou.

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Local clocks

Explore each city

Current time in Busan Current time in Lanzhou

FAQ

Busan to Lanzhou time difference FAQ

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

What is the time difference between Busan and Lanzhou?

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

Is Lanzhou ahead of or behind Busan?

Lanzhou is currently 1 hour behind Busan.

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

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

What is the best time to call Lanzhou from Busan?

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

Can the time difference between Busan and Lanzhou change?

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