Genki Grammar #23: Mastering Ichi Jikan

A man dressed in a suit is sitting relaxed in a chair, looking at his watch. He is in a modern, well-lit space with a decorated Christmas tree in the background. This image represents "-時間" (hours).
Photo by Shamim Nakhaei on Unsplash

Introduction

Today, we will learn how to express the duration of activities in Japanese using the term “-jikan” (hours). This post will help you understand how to use this term correctly in various contexts.

What It Means

“-Jikan” means “- hour(s).” It is used to express the duration of an activity.

When You Use It

You use “-jikan” to talk about how long something lasts. For example, if you waited for someone for one hour, you would use “ichi jikan.”

Examples

マリアさんはそこでりくさんを1時間待ちました。
 (Maria-san wa soko de Riku-san o ichi jikan machimashita)
Maria waited for Riku for one hour.

私はきのう日本語を2時間ぐらい勉強しました。
(Watashi wa kinou Nihongo o ni jikan gurai benkyou shimashita)
I studied Japanese for about two hours yesterday.

きのう8時間半寝ました。
(Kinou hachi jikan han nemashita)
I slept for eight and a half hours last night.

Note

  • To say “about one hour,” you can add “ぐらい” after “1時間”: 1時間ぐらい (ichi jikan gurai).
  • To say “one hour and a half,” you add “半” after “1時間”: 1時間半 (ichi jikan han).
  • If you want to say “about one and a half hours,” “ぐらい” comes last: 1時間半ぐらい (ichi jikan han gurai).
  • Be careful not to confuse “ぐらい (gurai)” and “ごろ (goro).” “ぐらい” is used for approximate duration, while “ごろ” is used for approximate points in time. For example, “I slept at about 8:30” is “きのう8時半ごろ寝ました。” (Kinou hachi ji han goro nemashita).

Conclusion

Understanding how to express duration in Japanese is essential for clear communication. By mastering the use of “-時間” (jikan) and related terms, you can accurately describe how long activities take.

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