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"Friday" is a proper noun which is often translated as "el viernes", and "Thursday" is a proper noun which is often translated as "el jueves". Learn more about the difference between "Friday" and "Thursday" below.
Friday()
A proper noun refers to the name of a person, place, or thing.
a. el viernes (M)
(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).
We're going to the movies on Friday.Vamos al cine el viernes.
Thursday()
A proper noun refers to the name of a person, place, or thing.