noun
trial date; court date
Refers to the scheduled date of a court hearing or trial. Used in legal contexts.
公判日は来月の十日に決まった。
The trial date has been set for the 10th of next month.
弁護士は公判日までに証拠を集めなければならない。
The lawyer must gather evidence before the court date.
期日 is a general term for a fixed date or deadline, whereas 公判日 is specifically a court date.
Compound of 公判 (kōhan, 'public trial') and 日 (bi, 'day'). The reading び is a rendaku form of ひ (hi).