Trading day: refers to the normal trading time (that is, every day is a trading day).
It is usually Monday to Friday every week.
Trading time:
Futures and securities: 9: 30 am-11:00 am
1: 00- 3: 00 pm (futures are a little longer than securities)
Foreign exchange: Beijing time is from 8: 00 am on Monday to 4: 00 am on Saturday (there is an hour difference between winter time and summer time).