What time is the early bus from Yuzhou to Zhengzhou?

Take a bus at Sangao intersection around 5: 20 in the morning.

The bus is a private prestige shuttle bus, because it doesn't stop in Yuzhou, and the route is from Sangao intersection to Boya Garden, then to Dayu statue, and then back to Sangao intersection. It takes less than half an hour to get to Zhengzhou, maybe a little after seven. Very punctual. I often take it. The fare is 20 yuan.