Can you explain what you just said? You said you wanted to have a three-hour meeting. But last week, the meeting began at 12:30 p.m. and ended at 4:00 p.m. The meeting therefore lasted three and a half hours. Are you saying that the meeting will begin at 1:00 p.m. and end at 4:00 p.m.?
Personally, that's what I would like. I believe that three hours is enough.