It means: It's two in the morning.
"Son las dos" is Spanish for "It is two o'clock." It is a way to indicate the time on the clock when it is 2:00.
Las dos menos veinte--- 1:40
It is 2:30
It's 2.20 (time)
Son las dos menos cuarto means 1:45
It means " the two girls who are "
its 2 minutes til 4
It means: When is it two in the morning?
son las diez y media
Yes, "Son las cinco para las dos" means "It is five till two".
The answer "son las dos y veinte" means "they are twenty two". Usually this would be an ansewr to "¿Cuántos años tienen ellos?" or "How old are they?"
"It is two ten" - indicating that the time is 2:10.