vs
QUICK ANSWER
"Diciembre" is a noun which is often translated as "December", and "enero" is a noun which is often translated as "January". Learn more about the difference between "diciembre" and "enero" below.
el diciembre()
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
el enero()
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
