Busan is 1 hour ahead of Shanghai. Busan uses Korea Standard Time (KST, UTC+9) while Shanghai uses China Standard Time (CST, UTC+8). When it's 10:00 AM in Busan, it's 9:00 AM in Shanghai.
Neither city observes daylight saving time, so the 1-hour difference remains constant year-round.
Best calling time: 9:00 AM - 5:00 PM Busan time. This corresponds to 8:00 AM - 4:00 PM in Shanghai, providing excellent overlap for business calls.
Busan and Shanghai are major port cities on the East Asian coast. Direct flights connect the cities in about 2 hours. Both are important centers for shipping and international trade.