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"Son las cinco" is a phrase which is often translated as "it's five o'clock", and "treinta" is a noun which is often translated as "thirty". Learn more about the difference between "son las cinco" and "treinta" below.
son las cinco(
sohn
lahs
seeng
-
koh
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
a. it's five o'clock
Son las cinco y la película no empieza hasta las seis. ¿Nos vamos a tomar un café?It's five o'clock and the movie doesn't start until six o'clock. Shall we go for a coffee?
el treinta(
treyn
-
tah
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
2. (number)
b. thirtieth (in dates)
El cumpleaños de mi padre es el treinta de noviembre.My father’s birthday is on the thirtieth of November.