About Gun - Knife Show Calendar: Gun - Knife Show Calendar Magazine is a compilation of gun shows and knife shows held throughout the country, and is intended to be used as a complete guide for anyone who attends or displays at these shows. Regular listings include the dates of the show, the address, the city, state, number of tables, and the cost of tables. For attendees, the show hours and the cost of admission are listed. Shows are listed for a full year ahead and there is no charge to list a show.