From
Busan
South Korea
10:08 PM
Sun, Nov 1
UTC+9Asia/Seoul
Time Difference
Busan vs Osaka Time Difference
Compare the current local time in Busan, South Korea and Osaka, Japan.
Live local timeDST awareUTC offsets
Current difference
Busan and Osaka currently have the same local time.
This difference is calculated using the current UTC offsets for both locations and automatically reflects daylight-saving changes.
24-hour comparison
Compare Busan and Osaka hour by hour
See how a full local day in Busan, South Korea maps to Osaka, Japan. TimeInOne automatically accounts for timezone offsets, date changes and daylight-saving transitions.
Best working-hours overlap
9:00 AM – 6:00 PM in Busan
corresponds to 9:00 AM – 6:00 PM in Osaka.
Busan
Asia/Seoul
Osaka
Asia/Tokyo
Availability
12:00 AM
Sun, Nov 1
12:00 AM
Sun, Nov 1
Night
1:00 AM
Sun, Nov 1
1:00 AM
Sun, Nov 1
Night
2:00 AM
Sun, Nov 1
2:00 AM
Sun, Nov 1
Night
3:00 AM
Sun, Nov 1
3:00 AM
Sun, Nov 1
Night
4:00 AM
Sun, Nov 1
4:00 AM
Sun, Nov 1
Night
5:00 AM
Sun, Nov 1
5:00 AM
Sun, Nov 1
Night
6:00 AM
Sun, Nov 1
6:00 AM
Sun, Nov 1
Night
7:00 AM
Sun, Nov 1
7:00 AM
Sun, Nov 1
Possible
8:00 AM
Sun, Nov 1
8:00 AM
Sun, Nov 1
Possible
9:00 AM
Sun, Nov 1
9:00 AM
Sun, Nov 1
Good overlap
10:00 AM
Sun, Nov 1
10:00 AM
Sun, Nov 1
Good overlap
11:00 AM
Sun, Nov 1
11:00 AM
Sun, Nov 1
Good overlap
12:00 PM
Sun, Nov 1
12:00 PM
Sun, Nov 1
Good overlap
1:00 PM
Sun, Nov 1
1:00 PM
Sun, Nov 1
Good overlap
2:00 PM
Sun, Nov 1
2:00 PM
Sun, Nov 1
Good overlap
3:00 PM
Sun, Nov 1
3:00 PM
Sun, Nov 1
Good overlap
4:00 PM
Sun, Nov 1
4:00 PM
Sun, Nov 1
Good overlap
5:00 PM
Sun, Nov 1
5:00 PM
Sun, Nov 1
Good overlap
6:00 PM
Sun, Nov 1
6:00 PM
Sun, Nov 1
Possible
7:00 PM
Sun, Nov 1
7:00 PM
Sun, Nov 1
Possible
8:00 PM
Sun, Nov 1
8:00 PM
Sun, Nov 1
Possible
9:00 PM
Sun, Nov 1
9:00 PM
Sun, Nov 1
Night
10:00 PM
Sun, Nov 1
10:00 PM
Sun, Nov 1
Night
11:00 PM
Sun, Nov 1
11:00 PM
Sun, Nov 1
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 Osaka from Busan
Compare typical business hours in Busan, South Korea and Osaka, Japan to find a practical time for calls, meetings or international coordination.
No direct business-hours overlap
Flexible scheduling is recommended
Typical 9:00 AM–6:00 PM working hours do not overlap directly between Busanand Osaka. Consider an early-morning or evening call instead.
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 Osaka time difference explained
Current local-time relationship
Busan and Osaka currently share the same local time.
Busan uses Asia/Seoul and currently has an offset of UTC+9. Osaka uses Asia/Tokyo 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 6:00 PM in Busan, corresponding to 9:00 AM–6:00 PM in Osaka.
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 Osaka.
Open time converterLocal clocks
Explore each city
FAQ
Busan to Osaka time difference FAQ
Common questions about the current time difference, UTC offsets, daylight-saving changes and practical calling hours between Busan and Osaka.
What is the time difference between Busan and Osaka?
Busan, South Korea and Osaka, Japan currently have the same local time.
Is Osaka ahead of or behind Busan?
Busan and Osaka currently have the same local time.
What time is it in Osaka when it is 9:00 AM in Busan?
Using the current UTC offsets, 9:00 AM in Busan corresponds to 9:00 AM in Osaka. The exact difference can change when daylight-saving rules change.
What is the best time to call Osaka from Busan?
Typical 9:00 AM–6:00 PM business hours overlap between 9:00 AM and 6:00 PM in Busan. This corresponds to 9:00 AM–6:00 PM in Osaka.
Can the time difference between Busan and Osaka change?
Yes. The time difference can change if Busan or Osaka changes its UTC offset because of daylight-saving or other local time-zone rules. TimeInOne uses the IANA zones Asia/Seoul and Asia/Tokyo for date-aware calculations.