at eight o'clock
He leaves at eight o'clock.
La porte est fermée à huit heures.
The door is closed at eight o'clock.
He goes to bed at eight o’clock.
The play is at eight o’clock.
Je commence le travail à huit heures le matin.
I start work at eight o'clock in the morning.
Notre école commence à huit heures.
Our school starts at eight o'clock.
Il se lève tous les matins à huit heures.
He gets up every morning at eight o'clock.
Come to my house at eight o'clock.
À condition que tout soit prêt à huit heures.
Provided that everything is ready by eight o'clock.