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"Cuarto" is an adjective which is often translated as "fourth", and "a las doce" is a phrase which is often translated as "at twelve". Learn more about the difference between "cuarto" and "a las doce" below.
cuarto, el cuarto(
kwahr
-
toh
)An adjective is a word that describes a noun (e.g., the big dog).
a. fourth
Entra al edificio y toma el ascensor al cuarto piso.Enter the building and take the elevator to the fourth floor.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
a las doce(
ah
lahs
doh
-
seh
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. at twelve
¿Quieres quedar a las doce para comer, o es demasiado temprano para ti?Do you want to meet at twelve for lunch, or is it too early for you?
b. at twelve o'clock
¿A qué hora sale tu avión? - A las doce.What time does your plane leave? - At twelve o'clock.
