vs
QUICK ANSWER
"A las tres de la tarde" is a phrase which is often translated as "at three o'clock in the afternoon", and "yo" is a pronoun which is often translated as "I". Learn more about the difference between "a las tres de la tarde" and "yo" below.
a las tres de la tarde(
ah
lahs
trehs
deh
lah
tahr
-
deh
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
a. at three o'clock in the afternoon
El avión sale a las tres de la tarde, así que tengo que estar en el aeropuerto a las doce.My plane leaves at three o'clock in the afternoon, so I have to be at the airport at twelve.
yo(
yoh
)A pronoun is a word that stands in for a noun (e.g., she).
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
3. (psychology)
