French phrase
Où et à quelle heure est ~ ?
Meaning
Where and at what time is ___?
When to use it
It asks where something is and when it starts. The phrasing is polite and useful for travel or scheduled events.
Example dialogue
Où et à quelle heure est le train pour Marseille ?
Where and at what time is the train to Marseille?
Il part de la gare centrale à 14h30.
It leaves the central station at 2:30 p.m.