〜をもって

By means of / with / as of — formal instrument or boundary

Formation

Noun + をもって

Usage

A formal expression with two meanings: (1) by means of (method/tool), (2) as of (time boundary). Very common in announcements and official documents.

Example sentences

本日をもって、閉店させていただきます。

We will be closing as of today.

式はこれをもって終了いたします。

The ceremony will hereby conclude.

彼の努力をもってして、初めて成功したのだ。

Only through his efforts did we succeed.

試験は筆記をもって行う。

The exam will be conducted by written test.

この書類をもって、証明とします。

This document shall serve as proof.

Related grammar