Kolkata's Netaji Subhash Chandra Bose International Airport (CCU) can be a bustling transit hub, but with a layover, it becomes a gateway to the City of Joy's rich history, captivating culture, and vibrant street life. This guide equips you, whether you have a connecting flight in a few hours or a full day to spare, to transform your wait into an unforgettable Kolkata experience.