Istanbul and San José Time Zone Comparison
Istanbul and San José are two major cities that sit in noticeably different time zones. Geographically, Istanbul sits in the Middle East while San José is located in North America.
San José is always 9 hours behind Istanbul, with no seasonal change, since neither city's daylight saving rules shift this relationship.
With a gap this large, business hours barely overlap between Istanbul and San José — an early morning or a late evening on one side is usually needed to connect with the other.