How to Say “Every Other Day” in Japanese

一日おきに
ichinichioki ni
The English phrase 'every other day' is translated into Japanese as 一日おきに (ichinichioki ni).
一日おきに is used to describe an action that happens every second day, meaning there is exactly one day left in between each occurrence.

What does it mean word for word?

The phrase is composed of 一日 (one day), おき (interval or gap) and に (a particle indicating frequency or manner).

Which one should you use?

While 一日おきに emphasizes the one-day interval between events, the phrase 二日に一度 (nichini ichido) means 'once every two days'. Though these are functionally identical, 二日に一度 focuses more on the frequency of the occurrence itself.

How does it change in a sentence?

The particle に is used at the end of the phrase to function as an adverbial marker, indicating the frequency of the action.

How do you pronounce it?

ichinichioki ni

Did you know?

  • The concept of おき (intervals) is also used for physical spacing, such as 一人おきに (leaving one person's space between), which is common when organizing queues or seating.
  • The word おき (oki) comes from the verb 置く (oku), meaning 'to place' or 'to put'. It describes the act of 'placing' a gap or a space between two events.
  • When using 三日おきに, the phrase actually means 'every four days' because you are skipping three full days between occurrences.

Examples in context

  • お風呂は一日おきに入ってるんだよ。
    I take a bath every other day.
    This sentence is useful for describing the frequency of taking a bath with 一日おきに.
    Tatoeba #9240034 by bunbuku, translation #252485 by CK
  • 私はシャワーを一日おきに浴びている。
    I take a shower every other day.
    This sentence is useful for describing the frequency of taking a shower with 一日おきに.
    Tatoeba #10908694 by SomeHungryBois, translation #10908692 by ddnktr
  • メアリーは一日おきにそのレストランへ昼食をとりに行く。
    Mary goes to that restaurant for lunch every other day.
    This sentence is useful for describing how often someone goes to a restaurant with 一日おきに.
    Tatoeba #1166640 by bunbuku, translation #32008 by CK
  • 2 more sentences on Tatoeba

Example conversation

Ren and Himari are discussing their jogging routine.

  1. 陽葵 Himari

    蓮さんは、どのくらいの頻度で走っているの?
    Ren-san wa, dono kurai no hindo de hashitte iru no?
    Ren, how often do you go running?
  2. 蓮 Ren

    一日おきに公園を走っているよ。
    Ichinichi oki ni kouen o hashitte iru yo.
    I run in the park every other day.
  3. 陽葵 Himari

    すごいね!私も一日おきに運動したいな。
    Sugoi ne! Watashi mo ichinichi oki ni undou shitai na.
    That's amazing! I want to exercise every other day too.
  4. 蓮 Ren

    陽葵さんも一緒にどう?
    Himari-san mo issho ni dou?
    Why don't you join me, Himari?

Sources

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Diane Molly
Diane MollyHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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