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"Es la una" is a phrase which is often translated as "it's one o'clock", and "trece" is an adjective which is often translated as "thirteen". Learn more about the difference between "es la una" and "trece" below.
es la una(
ehs
 
lah
 
oo
-
nah
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. it's one o'clock
Es la una de la mañana. ¡Ya duérmete!It's one o'clock in the morning. Go to sleep!
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trece(
treh
-
seh
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. thirteen
Mi hermano tiene trece años pero se porta como si tuviera cinco.My brother is thirteen years old but he acts like he's five.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. thirteen
El trece es mi número de la suerte.Thirteen is my lucky number.
b. thirteenth (in dates)
El viernes trece se considera un día de mala suerte en algunos países.Friday the thirteenth is considered an unlucky day in some countries.
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