11 pm. According to official website of Zhengzhou East Station, the dining area in Zhengzhou East Station is opened at 6: 31 in the morning and closed at 11 in the evening. Zhengzhou, referred to as "Zheng" for short, was called "in heaven and earth" in history, called Shangdu in ancient times, and now called Greentown. Henan Province governs prefecture-level cities, provincial capitals and megacities.