vs
QUICK ANSWER
"Diez" is a form of "diez", an adjective which is often translated as "ten". "A las tres" is a phrase which is often translated as "at three". Learn more about the difference between "diez" and "a las tres" below.
diez(
dyehs
)An adjective is a word that describes a noun (e.g., the big dog).
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
2. (number)
a. ten
Ella lleva un diez en su camiseta en honor a su jugadora favorita.She wears a ten on her jersey in honor of her favorite player.
b. tenth (in dates)
Celebraremos mi cumpleaños el diez de enero.We'll celebrate my birthday on the tenth of January.
a las tres(
ah
lahs
trehs
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. at three
Entro a trabajar a las ocho de la mañana y salgo a las tres de la tarde.I start work at eight in the morning and finish at three in the afternoon.
b. at three o'clock
El avión salió a las tres de Toronto, así que estará a punto de llegar a Nueva York.The plane left Toronto at three o'clock so it will be about to arrive in New York.