Help for my first app calendar data

Hi I need help, I’m making an application angularjs ionic and I need to know if I can help:

I want to make a calendar to just click on a date displayed at specific times of the day and linking dates with a database in firebase …

Someone knows how to send an alarm push notifications to alert users when the day.

Sorry, but I new I have only 14 and I’m trying to make my first app, already made the login and all the interface with ionicframkework, thanks… i love ionic