What are the departure times for the river cruise each day? Thank you.

Two-dam-one-gorge cruise boat, divided into upstream and downstream. The upstream cruise departs from the Yichang Tourist Center dock at 8:30 a.m., arriving at the Sandouping Port dock around noon. The downstream cruise departs from the Sandouping Port at 1:30 p.m., arriving at the Yichang Tourist Center dock around 5:00 p.m.