空くう白はく時じ間かん

noun

idle time; down time; window period

Refers to a gap or blank period in a schedule, often used in contexts like medical testing windows, free time between tasks, or unallocated time slots.

• 会かい議ぎと会かい議ぎの間あいだに空くう白はく時じ間かんができた。

  I had some idle time between meetings.

• HIV検けん査さには空くう白はく時じ間かんがある。

  There is a window period for HIV testing.