It's seven o'clock.
Son las siete.
It's eleven o'clock.
Son las once.
It's eight o'clock.
Son las ocho.
It's four o'clock.
Son las cuatro.
It's six o'clock.
Son las seis.
It's 1:30.
Es la una y media.
It's two o'clock.
Son las dos.
It's one o'clock.
Es la una.
It's five o'clock.
Son las cinco.
It's twelve o'clock.
Son las doce.
It's three o'clock.
Son las tres.
It's 12:30.
Son las doce y media.
It's 1:15.
Es la una y cuarto.
It's nine o'clock.
Son las nueve.
It's ten o'clock.
Son las diez.