Question

How would you say "during first period" in spanish?

a. el primero hora
b. la primera hora
c. para el primero hora
d. en la primera hora

Answer 1

I say the answer d. but it is: durante la primera hora

Answer 2

the answer is d: en la primera hora.

Because in Spanish en (which is a preposition of place) also means during as for example Te veo en dos horas.