Jeju City to Shanghai Time Converter
Quick answers
Selected conversion
9:00 pm21:00 KST (UTC+9), Nov 4, 2026 = 8:00 pm20:00 CST (UTC+8), Nov 4, 2026
Jeju City is 1 hour ahead of Shanghai.
How the time difference changes
Jeju City is 1 hour ahead of Shanghai year-round.
Working hours of 9:00 am to 6:00 pm in Jeju City correspond to 8:00 am to 5:00 pm in Shanghai.Working hours of 09:00 to 18:00 in Jeju City correspond to 08:00 to 17:00 in Shanghai.
Compare Jeju City time with Shanghai time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
KST (Korea Standard Time) is 1 hour ahead of CST (China Standard Time).
9:00 pm21:00 in Jeju City, South Korea is 8:00 pm20:00 in Shanghai, China
Jeju City to Shanghai call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in Jeju City which corresponds to 9am-5pm09:00-17:00 in Shanghai
9:00 pm21:00 KST (Korea Standard Time) (Jeju City, South Korea). Offset UTC +9:00 hours
8:00 pm20:00 CST (China Standard Time) (Shanghai, China). Offset UTC +8:00 hours
9:00 pm21:00 Jeju City, South Korea / 8:00 pm20:00 Shanghai, China
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
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