Bosphorous boat trip from ortakoy- timings plz?

Hi everyone ..
There is a bosphorous boat trip tht starts right next to ortakoy mosque its a one hr trip does anyone know the start and end timings of this these days since it winters i am sure they now start early n close by sunset. I want to find out the timings if anyone knws for sure or if anyone has their contact no. Plz share

Not sure about the one close to Ortakoy mosque, but TurYol leaves from Eminunu. You can get in touch with them at 0212 512 12 87

Enjoy
Z