Trick-or-Treat Hours: Carmel 0 By Current Publishing on October 31, 2012 Carmel Carmel: 5 to 8 p.m. Police departments from throughout the county will have extra patrols out during trick-or-treat hours on Oct. 31 to provide additional security. Motorists are also asked to use extra care while driving those nights. Share. Twitter Facebook Pinterest LinkedIn Tumblr Email