Istanbul and San Juan Time Zone Comparison
The distance between Istanbul and San Juan is felt not just in kilometers, but in time zones too. Geographically, Istanbul sits in the Middle East while San Juan is located in North America.
San Juan is always 7 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 Juan — an early morning or a late evening on one side is usually needed to connect with the other.