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"As soon as" is a conjunction which is often translated as "tan pronto como", and "when" is an adverb which is often translated as "cuándo". Learn more about the difference between "as soon as" and "when" below.
as soon as(
ahz
 
sun
 
ahz
)
A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
conjunction
a. tan pronto como
Don't worry, Mom. I'll call you as soon as we arrive.No te preocupes, mamá. Te llamaré tan pronto como lleguemos.
b. en cuanto
The vase broke as soon as it hit the floor.El florero se rompió en cuanto chocó con el suelo.
c. luego que
Regionalism used in Latin America: all the countries in South America, Central America, and the Caribbean. Does not include Spain.
(Latin America)
As soon as he saw me, he left the party.Luego que me vio, se fue de la fiesta.
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when(
wehn
)
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
adverb
a. cuándo
When was the last time you cried?¿Cuándo fue la última vez que lloraste?
A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
conjunction
a. cuando
I was sleeping when he got home.Estaba durmiendo cuando llegó a casa.
b. en que
That was the year when we bought our first apartment.Ese fue el año en que compramos nuestro primer apartamento.
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