１５じゅうご時じ

noun

3 PM; fifteen o'clock

Used in 24-hour time expressions, common in schedules, transportation, and formal announcements.

• 会かい議ぎは１５時じからです。

  The meeting is from 3 PM.

• １５時じの新しん幹かん線せんに乗のります。

  I'll take the 3 PM Shinkansen.