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"Son las once" is a phrase which is often translated as "it's eleven o'clock", and "veinte" is an adjective which is often translated as "twenty". Learn more about the difference between "son las once" and "veinte" below.
son las once(
sohn
lahs
ohn
-
seh
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
a. it's eleven o'clock
Son las once. La reunión empieza dentro de media hora.It's eleven o'clock. The meeting will start in half an hour.
veinte(
beyn
-
teh
)An adjective is a word that describes a noun (e.g., the big dog).
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
2. (number)
b. twentieth (in dates)
El veinte del mes que viene me voy a España.I'm going to Spain on the twentieth of next month.