Yes, Busan and Seoul are in the same timezone. Both cities use Korea Standard Time (KST, UTC+9), so when it's 9:00 AM in Seoul, it's also 9:00 AM in Busan. South Korea doesn't observe DST.
Korea's capital and largest port city share convenient scheduling for business and government.
Any time works! Since both cities share the same timezone, business hours align perfectly. Government and trade coordination is seamless.
Busan and Seoul are connected by KTX high-speed rail taking just 2.5 hours, plus frequent 1-hour flights with Korean Air and Asiana.