Istanbul and Izmir Time Zone Comparison
Istanbul and Izmir are two major cities that sit in noticeably different time zones. Geographically, Istanbul sits in the Middle East while Izmir is located in the Middle East.
Istanbul and Izmir are in the same time zone and always show the same clock time, year-round.
With such a small gap, scheduling a call between Istanbul and Izmir is easy — a normal business-hours slot works for both sides on the same calendar day.