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"Son las doce" is a phrase which is often translated as "it's twelve o'clock", and "treinta" is a noun which is often translated as "thirty". Learn more about the difference between "son las doce" and "treinta" below.
son las doce(
sohn
lahs
doh
-
seh
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. it's twelve o'clock
¿Qué hora es, por favor? - Son las doce.What time is it, please? - It's twelve o'clock.
b. it's midnight (at night)
¿Estás loco? Yo ya no salgo. ¡Son las doce de la noche!Are you crazy? I'm not going out. It's midnight!
c. it's noon (at midday)
Son las doce y esta es la hora a la que la gente empieza a almorzar en este país.It's noon and this is the time people start having lunch in this country.
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.
