What time does Nanchang high-speed railway operate?

Six in the morning. According to the inquiry of the World Wide Web, the operation time of Nanchang high-speed railway is from 0 pm the day before to 6 am the next day. Before 0 pm, after the last train in high-speed railway station leaves or arrives at the station, the high-speed rail staff will clean up high-speed railway station and then open the door at 6 am.