There is no time difference between Busan and Osaka. Both cities use UTC+9. Busan uses Korea Standard Time (KST) and Osaka uses Japan Standard Time (JST). When it's 9:00 AM in Busan, it's also 9:00 AM in Osaka.
Neither city observes daylight saving time, so they remain synchronized year-round.
Any time works! Since both cities share the same timezone, you can schedule calls during standard business hours (9:00 AM - 6:00 PM) without any time conversion needed.
Busan and Osaka are major port cities connected by direct flights taking approximately 1.5 hours. Both cities are known for their food culture and economic importance in their respective countries.