vs
QUICK ANSWER
"Cuándo" is a form of "cuándo", an adverb which is often translated as "when". "Cuál" is a form of "cuál", a pronoun which is often translated as "which". Learn more about the difference between "cuándo" and "cuál" below.
cuándo(
kwahn
-
doh
)An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
a. when
Nos vamos a casar, pero el cuándo y el dónde aún no lo sé.We are getting married, but I don't know when or where yet.
cuál(
kwahl
)A pronoun is a word that stands in for a noun (e.g., she).
a. which (among a group of options)
¿Cuál de estas camisas me queda mejor?Which of these shirts suits me best?
b. which one (among a group of options)
No sé cuál quiere.I don't know which one she wants.
¿Cuál es mejor?Which one is better?
An adjective is a word that describes a noun (e.g., the big dog).
a. which (among a group of options)
¿Cuál color iría mejor en el salón?Which color would look best in the living room?
