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"Diez" is a form of "diez", an adjective which is often translated as "ten". "A las siete" is a phrase which is often translated as "at seven". Learn more about the difference between "diez" and "a las siete" below.
diez(
dyehs
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. ten
Solo había diez personas en la oficina hoy a causa de la nieve.There were only ten people in the office today because of the snow.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
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.
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a las siete(
ah
 
lahs
 
syeh
-
teh
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. at seven
¿Quieres que vayamos a tomar algo juntos después del trabajo? Yo salgo a las siete.Would you like to have a drink with me after work? I finish at seven.
b. at seven o'clock
El despertador sonó a las siete.The alarm clock went off at seven o'clock.
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