dmesg(1) - Linux manual page
www.man7.org › linux › man-pages--since time Display record since the specified time. The time is possible to specify in absolute way as well as by relative notation (e.g. '1 hour ago'). Be aware that the timestamp could be inaccurate and see --ctime for more details. --until time Display record until the specified time. The time is possible to specify in absolute way as well ...