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"Martes" is a noun which is often translated as "Tuesday", and "viernes" is a noun which is often translated as "Friday". Learn more about the difference between "martes" and "viernes" below.
el martes(
mahr
-
tehs
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
el viernes(
byehr
-
nehs
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
a. Friday
A partir de ahora, se puede llevar ropa informal en el trabajo los viernes.From now on you can wear casual clothes to work every Friday.