ffmpeg -ss <start_time_hh:ii:ss> -i input.mp4 -to <length_in_hh:ii:ss_from_start> -c copy ./out.mp4
ffmpeg -ss 00:47:42 -i input.mp4 -to 00:01:49 -c copy ./out.mp4
A list of useful commands for the FFmpeg command line tool.
Download FFmpeg: https://www.ffmpeg.org/download.html
Full documentation: https://www.ffmpeg.org/ffmpeg.html