A school class - clase
A person has class - elegancia (elegance)
hora in spanish means hour.
This mean "Are you in The Spanish Class?" in English.
Clase means Class.
is the class
This means "At what time do you have Spanish class".
Which you always have to do in the Spanish class OR What do you always have to do in the Spanish class (if with a question-mark)
It means "in my class".
The spanish class is my class.
How many students are there in Spanish class?
Assuming you mean 'I have a Spanish class at 8.05' - '(Yo) tengo una clase de espanol a las ocho y cinco'.
it means that your learning spanish
It means "I learn a lot in Spanish class."