Every 30 minutes on the sharp
If the firework happens every 30 minutes from 7:00 7:30, 8:00, 8:30, … 19:00 Can I say: There will be a fireworks display every half hour on the sharp. Answer I’ve never heard on the sharp before. It would be more idiomatic as: on the dot, or 7:30 — sharp. For this pattern, you could … Read more