French Phrase
Annule au moins 24 heures à l'avance.
Meaning
This sentence tells someone to cancel a reservation, appointment, or booking at least a full day before the scheduled time. It stresses the minimum notice period required to avoid penalties.
When to use
Use it when you are reminding a client, a colleague, or a friend about the cancellation policy of a hotel, a restaurant, a flight, or any service that requires a 24‑hour notice.
✦Grammar Breakdown
Annuleaumoins24heuresàl'avance
Impératif (tu)
« Annule » is the second‑person singular imperative of the verb *annuler*; it is used for giving a direct command or advice.
au moins
A fixed expression meaning “at least”. It is placed before the quantity it modifies.
à l'avance
Literally “in advance”, used after a time expression to indicate a deadline that must be respected beforehand.
Number + unité
When a number precedes a unit of time, the unit stays in the singular (24 heures, not *heures* pluralized further).
🗨In Conversation
Je ne pourrai pas assister à la réunion de demain.
I won’t be able to attend tomorrow’s meeting.
Pas de souci, annule au moins 24 heures à l'avance.
No problem, cancel at least 24 hours in advance.
✕Common Mistakes
Annuler au moins 24 heures à l'avance.
The infinitive *annuler* cannot be used as a command; you need the imperative *Annule* (tu) or *Annulez* (vous).
Annule au moins 24 heure à l'avance.
When a number precedes a time unit, the unit stays plural (*heures*).
Annule à l'avance au moins 24 heures.
Do not place *à l'avance* before the number; it must follow the time expression.
↔Alternatives
Annule au moins un jour à l'avance.
Cancel at least one day in advance.
Annule au moins 24 heures avant.
Cancel at least 24 hours beforehand.
Merci de prévenir au moins 24 heures à l'avance.
Please notify at least 24 hours in advance.
Cultural Tip
In France, many services (hotels, restaurants, car rentals) have a strict 24‑hour cancellation rule. Failing to respect it can lead to a full‑price charge. Using the polite imperative (e.g., « Veuillez annuler… ») softens the request, especially in formal contexts.

