Playtime

Noun

1. Time for play or diversion.
2. A time when children can play outside during the school day.

   "The school bell rings to mark the end of playtime."

3. A duration of time when one is not as serious or committed as one could be, especially in a conflict of sorts.

   "I thought I could go easy on you and win, but I suppose playtime is over."

4. The duration of a recording.

   "The longest track on the album has a playtime of eight minutes."