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"Horas" is a form of "hora", a noun which is often translated as "hour". "Años" is a form of "año", a noun which is often translated as "year". Learn more about the difference between "horas" and "años" below.
la hora(
oh
-
rah
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
a. time
Es hora de que se reúnan y tomen una decisión.It is time for them to meet and make a decision.
5. (meeting)
a. appointment
Mañana tengo hora con el podólogo.I have an appointment with the podiatrist tomorrow.
el año(
ah
-
nyoh
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
2. (of school)
a. grade
Si fallo el examen, tendré que repetir el año.If I fail this test, I will have to repeat the grade.