What does son las cuatro en punto de la manana mean?

"Son las cuatro en punto de la mañana" means "It is exactly four in the morning" in Spanish.

Let's break it down:

* Son: It is (plural form of the verb "ser" - to be)

* las: the (feminine plural article)

* cuatro: four

* en punto: exactly

* de la mañana: of the morning

This phrase emphasizes that the time is precisely 4:00 am.