Translation guide
The English term "run time" can refer to the duration of a performance or event, or to the period when a computer program is executing. This guide covers both meanings and provides natural Japanese equivalents.
The length of time a movie, play, concert, or similar event lasts.
What's the run time of the movie? · The run time of the concert is about two hours.
Standard term for the running time of a film or video. Literally 'screening time'.
この映画の上映時間は2時間です。
The run time of this movie is 2 hours.
Used for the duration of a live performance such as a play, concert, or show.
この舞台の上演時間は約3時間です。
The run time of this play is about 3 hours.
General term for 'required time' or 'duration'. Can be used for events, trips, or tasks.
イベントの所要時間はどれくらいですか？
What is the run time of the event?
Specifically for the duration of a musical performance.
この曲の演奏時間は5分です。
The run time of this piece is 5 minutes.
The period during which a program is running, or the time it takes to execute.
The run time of the algorithm is O(n log n). · A runtime error occurred.
Standard technical term for execution time or run time of a program.
このプログラムの実行時間を測定してください。
Please measure the run time of this program.
Loanword from English, commonly used in IT contexts. Often refers to the runtime environment or the period of execution.
ランタイムエラーが発生しました。
A runtime error occurred.
Means 'at runtime' or 'during execution'. Often used as a modifier.
上映時間 is for recorded media (movies, videos), while 上演時間 is for live performances (plays, concerts). Using the wrong one can sound unnatural.
Directly translating 'run time' as 走る時間 (hashiru jikan) is incorrect and will not be understood. Use the context-appropriate terms above.
実行時にエラーが発生しました。
An error occurred at run time.