How long does it take to install a door and frame?

Most front doors take me between 4-5 hours for the installation, i.e. with a door that is closed to the sun, due to thickness threshold 1-34 and metal time. if it is a more recent door that must be about 2-2 12 hours.I take between 4-5 hours to install most front doors. Because of the 1-3/4" thick threshold and metal weather stripping, the door has been put into the floor. A newer door should take about 2 1/2 hours.