Istanbul and Chittagong Time Zone Comparison
The distance between Istanbul and Chittagong is felt not just in kilometers, but in time zones too. Chittagong is in Asia, while Istanbul sits in the Middle East.
Istanbul is always 3 hours behind Chittagong, 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 Chittagong.