Istanbul and Gwangju Time Zone Comparison
Istanbul and Gwangju are two major cities that sit in noticeably different time zones. Gwangju is in Asia, while Istanbul sits in the Middle East.
Istanbul is always 6 hours behind Gwangju, with no seasonal change, since neither city's daylight saving rules shift this relationship.
With a moderate gap like this, it's worth checking the suggested call window above before scheduling a meeting between Istanbul and Gwangju.