vs
QUICK ANSWER
"Hoy" is an adverb which is often translated as "today", and "yo" is a pronoun which is often translated as "I". Learn more about the difference between "hoy" and "yo" below.
hoy(
oy
)An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
2. (nowadays)
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)