上じょう映えい時じ間かん

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Meanings

1

noun

running time; duration

Refers to the length of a film or video from start to finish, including credits.

above, up

映reflect, reflection, projection

時time, hour

間interval, space

上じょう映えい
上映 means 'screening' or 'showing' of a film, while 上映時間 specifically refers to the duration of that screening.
時じ間かん
時間 is a general word for 'time' or 'hours'; 上映時間 is a compound that narrows it to film running time.

Compound of 上映 (screening, projection) and 時間 (time, hours).