までに
(Made ni)
Indicates a deadline or a point in time by which an action must be completed.
Connection rules
- +Verb (Dictionary Form) + までに
- +Noun (Time) + までに
Examples
1.
会議が始まるまでに、この資料をコピーしておいてください。

Kaigi ga hajimaru made ni, kono shiryou wo kopii shi te oi te kudasai.
Please photocopy these materials by the time the meeting starts.
「Instructions at the office」
2.
来週の月曜日までにレポートを出さなければなりません。

Raishuu no getsuyoubi made ni repouto wo dasa nakere ba nari mase n.
I must submit the report by next Monday.
「Student academic deadline」
Practice
Please finish your homework by the time your father gets home.
お父さんが___、宿題を終わらせなさい。
Romaji also accepted