Hrothgar felt a strong and unending sorrow that he had no power to overcome. It affected both him and his subjects.
The purpose of the speech was to inspire and bring about a movement of change for the human race but specifically African Americans. he was saying in his speech that he has a dream that all black people will be treated equally and justly. the basic purpose was to empower the quality movement so that African Americans could one day be treated like they are people instead of treated like they are not just as human as you and I are just because of the pigment of their skin.
You can see and hear what message is being portrayed with a Television, while you can only hear whats being portrayed in a radio.
6:15pm - 30 minutes=
5:45pm
5:45pm - 20 minutes=
5:25pm
5:25pm - 35 minutes=
4:50pm
4:50pm - 10 minutes=
4:40pm
4:40pm - 30 minutes=
4:10pm
The latest time he should start packing for his trip is at 4:10pm