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"Hoy" is an adverb which is often translated as "today", and "día" is a noun which is often translated as "day". Learn more about the difference between "hoy" and "día" below.
hoy(
oy
)
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
adverb
a. today
Hoy me quedo en casa.I'm staying home today.
a. today
Hoy se hacen las cosas de manera muy diferente.Today things are done very differently.
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el día(
dee
-
ah
)
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. day
Estoy en el restaurante en donde comimos el otro día.I'm at the restaurant where we ate the other day.
a. day
Los que trabajan en el turno de noche tienen que dormir de día.Night workers have to sleep during the day.
a. day
Algún día te voy a ganar en billar.One day, I'm going to beat you at pool.
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