Istanbul is 7-8 hours ahead of New York. New York uses Eastern Time (EST/EDT, UTC-5/-4) while Istanbul uses Turkey Time (TRT, UTC+3). During standard time, Istanbul is 8 hours ahead; during daylight saving time, Istanbul is 7 hours ahead.
Turkey does not observe daylight saving time, so the difference varies seasonally.
Best calling time: 1:00 AM - 10:00 AM New York time. This corresponds to 9:00 AM - 6:00 PM in Istanbul during standard time. Early morning calls from New York work best.
New York has a significant Turkish-American community. Istanbul is a major business hub bridging Europe and Asia, and Turkish Airlines offers excellent connections between the two cities.