How to Say "One Year" in Japanese

一年

ichinen

In Japanese, one year is 一年 (ichinen).

The phrase is used to refer to a period of time lasting twelve months.

How do you pronounce it?

ichinen

Japan uses a unique era system where 一年 is often defined by the first year of a new Emperor's reign, known as 元年 (gannen).
In Japan, the term 一年 can refer to a first-year student in school, often abbreviated as 一年生.
When talking about a 'year' in the context of age, Japanese uses the counter 歳 (sai) instead of 年 (nen).

保証は一年間です。
We guarantee our products for one year.
This sentence is useful for seeing how to use 一年 when discussing a guarantee period.
Tatoeba #83233 by bunbuku, translation #320483 by CK
彼は一年前に死んだ。
He died one year ago.
This sentence is useful for seeing how to use 一年 to indicate how long ago something happened.
Tatoeba #109874 by bunbuku, translation #293815 by CK
この靴は一年もった。
These shoes have lasted one year.
This sentence is useful for seeing how to use 一年 to describe how long an object lasted.
Tatoeba #222259 by small_snow, translation #59586 by CM
仕事に一年かかりました。
It took one year for the project.
私は一年間日本に住んでいました。
I lived in Japan for one year.
去年、一年ぐらいフランスに住んでいたんだよ。
I lived in France for about a year last year.
彼は来週で大学の卒業から一年経つんだ。
It will have been one year since his graduation next week.
5 more sentences on Tatoeba

Yota and Himari are talking about their goals.

陽太 Yota

一年で英語をマスターしたい。
Ichinen de eigo o masutaa shitai.
I want to master English in one year.
陽葵 Himari

それはすごい目標だね。
Sore wa sugoi mokuhyō dane.
That is an amazing goal.
陽太 Yota

毎日勉強すればできると思う。
Mainichi benkyō sureba dekiru to omou.
I think I can do it if I study every day.
陽葵 Himari

一年後の姿が楽しみだね。
Ichinen go no sugata ga tanoshimi dane.
I'm looking forward to seeing you in one year.

Sources

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