What time is the night traffic package of China Mobile 20 yuan?

Night traffic package (10 yuan/month), including 1G (i.e. 1024MB), can only be used under the national 2G/3G/4G network from 23: 00 to 7: 00 every day. Edit the short message "YYJTC" or "KTYJTC" or "Enable Night Traffic Packet" and send it to 10086. To cancel the night traffic package (10 yuan/month), please edit the short message "QXYJTC" or "Cancel the night traffic package" and send it to 10086 to cancel.