French Phrase
Bien sûr. À quelle heure ?
Meaning
The speaker first confirms something with “Bien sûr” (of course) and then asks for the specific time with “À quelle heure ?” – literally “At what hour?”. It’s a polite way to request scheduling details.
When to use
Use this two‑part phrase when you’ve agreed to meet, attend an event, or accept an invitation and need to know the exact time. It works in both casual and semi‑formal conversations.
✦Grammar Breakdown
BiensûrÀquelleheure?
Bien sûr
An idiomatic expression meaning “of course” or “certainly,” used to affirm something strongly.
À (preposition)
Used to indicate a point in time; here it introduces the time question.
Quelle (interrogative adjective)
Matches the feminine noun “heure”; always “quelle” (not “quel”) before “heure.”
Heure (noun)
A feminine noun meaning “hour” or “time.”
🗨In Conversation
On se retrouve au café demain ?
Shall we meet at the café tomorrow?
Bien sûr. À quelle heure ?
Of course. At what time?
✕Common Mistakes
Quel heure ?
“Heure” is feminine, so the interrogative adjective must be “quelle”.
À quel heure ?
Same gender agreement error; use “À quelle heure”.
Bien sur.
Missing the circumflex on “sûr”; it changes the meaning (sur = “on”).
↔Alternatives
Bien entendu. À quelle heure ?
Certainly. At what time?
Oui, à quelle heure ?
Yes, at what time?
D'accord, c’est pour quand ?
Alright, when is it?
Cultural Tip
In French, it’s common to ask “À quelle heure ?” rather than “Quand ?” when you specifically need the hour. Using the polite “Bien sûr” shows confidence and agreement, but avoid over‑using it in very formal business settings where a simple “Oui” may be preferred.