There are 2 options for the half day Bosphorus tour; Morning Bosphorus or Afternoon Bosphorus.
Morning Bosphorus tour is starts 08.30 in the morning from your hotel and finishes around 12.30
Afternoon Bosphorus tour is starts 13.00 from your hotel and finishes 17.00
Both of the tours programs are same and as mentionned below;
City Walls: These walls are made of Eastern Empire time. The length of the wall is 22 km
Golden Horn: Distinguish the European and Asian continents. Total length is 8 km. This port has played a major role in the development of Istanbul becasue its natural and very safe. Also Colonization began here in the Byzantine period
Spice Bazaar: Another name is Egyptian bazaar. İts the biggest spice bazaar of the world. The air is all smells with mainly Cinnamon, cumin, saffron, mint, thyme.
Also during the trip you will see the Dolmabahçe and Beylerbeyi Palaces, wooden villas and Rumeli Fortress from the cruise.