Istanbul and Yerevan Time Zone Comparison
Istanbul and Yerevan are two major cities that sit in noticeably different time zones. Yerevan is in the Middle East, while Istanbul sits in the Middle East.
Istanbul is always 1 hour behind Yerevan, with no seasonal change, since neither city's daylight saving rules shift this relationship.
With such a small gap, scheduling a call between Istanbul and Yerevan is easy — a normal business-hours slot works for both sides on the same calendar day.