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"Day" is a noun which is often translated as "el día", and "per day" is an adverb which is often translated as "por día". Learn more about the difference between "day" and "per day" below.
day(
dey
)
A noun is a word referring to a person, animal, place, thing, feeling or idea (e.g. man, dog, house).
noun
1. (period of time)
a. el día
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(M)
There are 366 days in a leap year.Hay 366 días en un año bisiesto.
2. (day of the week)
a. el día
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(M)
What day is today?¿Qué día es hoy?
3. (daylight hours)
a. el día
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(M)
We can only pick strawberries during the day on Saturday.Solo podemos recoger fresas durante el día el sábado.
4. (work)
a. la jornada
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(F)
My company has a seven-hour work day.Mi empresa observa jornadas de siete horas.
5. (indefinite period of time)
a. el día
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(M)
Those were the happiest days of his life.Aquellos fueron los días más felices de su vida.
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per day(
puhr
 
dey
)
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g. to run quickly, very tired).
adverb
1. (general)
a. por día
I brush my teeth two times per day.Yo me cepillo los dientes dos veces por día.
b. al día
In the summer, I shower twice per day.En verano, me ducho dos veces al día.
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