doctor appointment database design I have an application for doctors . pateints should can set appoint time .
I designed this :



an example : 

date : 2016/22/8 has some times like : 09:00 , 09:45 , 14:30 users can selec on of them


is this design good ?
You need to consider one more parameter, if you are doing it for multispeciality hospital, you should add a 

Doctor table, 

Department table, also 

Doctor schedule (ex: Mon-Wed 10 am to 2pm, Thus-Sat 12 pm to 4pm )