YOU SAID:

but for regular school it should be start at 8:30 and end at 3

INTO JAPANESE

ただし、師範学校の場合は8:30に開始し、3で終了する必要があります。

BACK INTO ENGLISH

However, for normal schools, it must start at 8:30 and end at 3.

INTO JAPANESE

ただし、通常の学校の場合は、8：30に開始し、3で終了する必要があります。

BACK INTO ENGLISH

However, for a regular school, you should start at 8:30 and end at 3.

INTO JAPANESE

ただし、通常の学校の場合は、8：30に開始し、3で終了する必要があります。

BACK INTO ENGLISH

However, for a regular school, you should start at 8:30 and end at 3.