on the half hour

à la demie

Trente minutes après une heure pleine, souvent à chaque heure.

En anglais simple : At thirty minutes past an hour, often repeated every hour.

• The train leaves on the half hour.
• We broadcast the news on the half hour every afternoon.
• The clock used to ring on the half hour.

Synonymes : at half past

Expressions courantes : leave on the half hour, arrive on the half hour

toutes les demi-heures

À chaque heure pleine et à nouveau trente minutes plus tard.

En anglais simple : At each full hour and again thirty minutes later.

• Shuttles run on the half hour: at ten, ten thirty, and eleven.
• The bell rings on the half hour, including at noon.
• Tours started on the half hour, at both two and two thirty.

Synonymes : every half hour

Expressions courantes : depart on the half hour, run on the half hour

à la trentième minute de la mi-temps

Trente minutes après le début d’une mi-temps d’un match.

En anglais simple : Thirty minutes after a half of a sports match begins.

• They scored on the half hour.
• The striker missed a penalty on the half hour.
• Our team took the lead on the half hour of the second half.

Synonymes : thirty minutes into the half

Expressions courantes : score on the half hour, equalize on the half hour