You use saber to describe a fact, information, or how to do something.
And you use conocer to say that you are familiar with something either a person, place, or thing.
Basically saber means to know of something, and conocer means to be familiar with someting.
For the first one, the answer is A. And for the second one, the answer is D.
1 ?
2 media noche
3 la una
4 las dos
5 las tres y quince
6 las seis y media
7 las diez menos cuarto
8 la una
9 las tres
