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"All day" is a phrase which is often translated as "todo el día", and "every day" is an adverb which is often translated as "todos los días". Learn more about the difference between "all day" and "every day" below.
all day(
al
 
dey
)
A phrase is a group of words commonly used together (e.g once upon a time).
phrase
1. (general)
a. todo el día
I think about you all day.Pienso en ti todo el día.
b. el día entero
I've been working on this project all day.Llevo trabajando en este proyecto el día entero.
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every day(
eh
-
vri
 
dey
)
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g. to run quickly, very tired).
adverb
1. (on a daily basis)
a. todos los días
You should brush your teeth every day.Hay que cepillarse los dientes todos los días.
b. cada día
I do my Spanish homework every day.Cada día hago los deberes de español.
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