Istanbul and Kathmandu Time Zone Comparison
The distance between Istanbul and Kathmandu is felt not just in kilometers, but in time zones too. Kathmandu is in Asia, while Istanbul sits in the Middle East.
Istanbul is always 2.75 hours behind Kathmandu, 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 Kathmandu.