Istanbul and Izmir Time Zone Comparison
The distance between Istanbul and Izmir is felt not just in kilometers, but in time zones too. Istanbul is Turkey's largest city and historic capital, uniquely straddling Europe and Asia across the Bosphorus strait. Izmir is Turkey's largest city on the Aegean coast and the country's third most populous, known for its long history as a port city.
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.