Actual Playing Time
APT（アクチュアルプレーイングタイム）
Actual Playing Time — The net time the ball was actually in play out of the 90 minutes.
1💬 In a nutshell
“A 90-minute match actually has only about ‘55 minutes’ of substance.”
2🎬 See it move
An original tactics board (blue = the team in focus, red = the opponent; attacking left to right). The board animates on its own.
⚽ Open the interactive version (117 more terms, each with its own board)
3🔍 Why it matters — what to watch for
Strip out throw-ins, fouls and treatment and real playing time averages 50–60 minutes. Long APT = a non-stop, good game — the J-League officially measures and publishes it. Time-wasting shows up honestly in the APT.
Articles put it“This match's APT was 62:30 — the league's longest this season, an uninterrupted classic.”