Meaning of on the half hour | Babel Free

Definitions

1. Happening hourly, but at 30 minutes past each hour; ie, 08:30, 09:30 etc.
2. Happening on the hour and at 30 minutes after the hour.
3. At thirty minutes into a half.

Examples

“Trains leave here for New York every hour on the half hour.”

“In one corner is an old grandfather's clock; the chimes are on the half-hour.”

“He bought and framed Japanese prints, and she chose a bronze mantelpiece clock with a silver bell that struck on the half hour.”

CEFR level