1. Las cuatro y media
Four half past
Four past seven
Half past four
No se
2. ¿Que hora es?
What's the hour?
What time is it?
What is the times?
No se
3. A las siete
To the seven o'clock
In seven o'clock
At seven o'clock
No se
4. A la una
One
At one
At one o'clock
No se
5. A la una y cuarto
At a quarter past one
At a quarter to one
At half past one
No se