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"Cuarto" is an adjective which is often translated as "fourth", and "a las cuatro" is a phrase which is often translated as "at four". Learn more about the difference between "cuarto" and "a las cuatro" below.
cuarto, el cuarto()
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 cuatro()
A phrase is a group of words commonly used together (e.g., once upon a time).
b. at four o'clock
Tengo cita con mi abogado a las cuatro.I have an appointment with my lawyer at four o'clock.
