vs 

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"Cuándo" is a form of "cuándo", an adverb which is often translated as "when". "Dónde" is a form of "dónde", an adverb which is often translated as "where". Learn more about the difference between "cuándo" and "dónde" 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).
adverb
a. when
¿Cuándo vas a terminar tus deberes?When are you going to finish your homework?
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
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.
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dónde(
dohn
-
deh
)
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
adverb
a. where
¿Dónde quieren construir el edificio los arquitectos?Where do the architects want to build the building?
2.
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
(colloquial)
(in questions)
Regionalism used in Latin America: all the countries in South America, Central America, and the Caribbean. Does not include Spain.
(Latin America)
a. how
¿Dónde iba a saber que cambiaste de opinión si no me lo dijiste?How was I to know that you'd changed your mind if you didn't tell me?
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