One English Question!! [ PLEASE HELP !! ]

I have One English Question now , { PLEASE HELP ME !! }
No.1
Is it this sentence " He will have dinner with his girlfriend at 7:30pm on 15th October. " and this sentence " He will have a haircut on 12th October at 4pm. " are the same ??


ps ** please use CHINESE answer me !! THX a lot !! **