授じゅ業ぎょう時じ間かん

noun

school hours; class time; instructional hours

Refers to the scheduled time for classes or teaching, often in a school or educational context.

• 今日きょうの授じゅ業ぎょう時じ間かんは午ご前ぜん中ちゅうだけです。

  Today's class hours are only in the morning.

• 授じゅ業ぎょう時じ間かん中ちゅうは携けい帯たい電でん話わの使し用ようを控ひかえてください。

  Please refrain from using your mobile phone during class time.