French phrase
À quelle heure ~ s'applique-t-elle ?
Meaning
At what time does ___ come into effect?
When to use it
Asks when something begins to apply. Often used for rules, procedures, or official measures.
Example dialogue
À quelle heure la nouvelle règle s'applique-t-elle ?
At what time does the new rule come into effect?
Elle entre en vigueur à minuit.
It comes into effect at midnight.