Both the guilds I belong to meet at 9:30 am so we have all day. The more Show and Tell we have the better. It's our favorite part of the meeting and we encourages everyone to bring all they want. If we have no workshop scheduled most of us stay and use the afternoon as a sew day. I wouldn't like guild meetings that were limited in time. Most members are like me in thinking once we are there may as well stay the day. When I worked I took off the day of guild meeting at least 1/2 a day if I couldn't stay all day.