noun, noun or participle which takes 'suru', intransitive verb
start of work; commencement of business; opening of school
Refers to the beginning of a workday, business operations, or school day. Often used in formal or institutional contexts.
始業時間は午前9時です。
Work starts at 9 a.m.
新学期は4月に始業する。
The new school year starts in April.