Here are trick-or-treat hours and parade times for various municipalities in Butler County:

Butler — 6 to 7 p.m. Oct. 31

Adams — “It's the Great Pumpkin, Charlie Brown” movie and food event 6 p.m. Oct. 25 at Rotary Pavilion (rain date Oct. 27); Mars Area School District will have trick or treat from 5 to 6 p.m. Oct. 28 at the high school; trick or treat, 6 to 8 p.m. Oct. 31Allegheny — Trick or treat, 6 to 7 p.m, Tuesday, Oct. 29Brady — Trick or treat, 6 to 8 p.m., Thursday, Oct. 31Buffalo — Trick or treat, 6 to 9 p.m. Oct. 31Butler — Trick or treat, 6 to 7 p.m. Oct. 31Center — Trick or treat, 6 to 7 p.m. Oct. 31Cherry — Trick or treat, 5:30 to 7 p.m., Oct. 31Clay — Trick or treat, 6 to 7 p.m. Oct. 31Clinton — Trick or treat, 6 to 8 p.m. Oct. 31Concord — Trick or treat, 6 to 7 p.m. Oct. 31Connoquenessing — Trick or treat, 6 to 7 p.m. Oct. 31Cranberry — Trick or treat, 6 to 8 p.m. Oct. 31Donegal — Trick or treat, 6 to 7 p.m., Oct. 31Fairview — Trick or treat, 6 to 7 p.m. Oct. 31Forward — Trick or treat, 6 to 8 p.m. Oct. 31Franklin — Trick or treat, 6 to 7:30 p.m. Oct. 31Jackson — Trick or treat, 6 to 8 p.m. Oct. 31Jefferson — Trick or treat, 6 to 8 p.m., Oct. 31Lancaster — Trick or treat, 6 to 8 p.m. Oct. 31Marion — Parade at 5:30 p.m., beginning at the end of Clay Street; trick or treat, 5:30 to 7 p.m., Oct. 31Mercer — Trick or treat, 6 to 9 p.m., Oct. 31Middlesex — Trick or treating is 6 to 8 p.m. Oct. 31Muddy Creek — Trick or treat, 6 to 7:30 p.m., Thursday, Oct. 31Oakland — Trick or treat, 6 to 8 p.m. Oct. 31Penn — Trick or treat, 6 to 7:30 p.m. Oct. 31Slippery Rock — Trick or treat, 6 to 8 p.m. Oct. 31Summit — Trick or treat, 6 to 8 p.m. Oct. 31Washington — Trick or treat, 6 to 7 p.m. Oct. 31Worth — Trick or treat, 6 to 8 p.m. Oct. 31

Bruin — Trick or treat, 6 to 7 p.m. Oct. 31Callery — Trick or treat, 6 to 7 p.m. Oct. 31Chicora — Trick or treat, 6 to 7 p.m. Oct. 31Connoquenessing — Parade Oct. 27; trick or treat, 6 to 7 p.m. Oct. 31Eau Claire — Trick or treat 2 to 4 p.m. Oct. 27Evans City — Parade lineup 6:30, step off at 7 p.m. Oct. 30; trick or treat, 6 to 8 p.m. Oct. 31Fairview — Trick or treat, 6 to 7, Oct. 31Harmony — Trick or treat, 6 to 8 p.m. Oct. 31Harrisville — Trick or treat, 6 to 9 p.m., Oct. 31Karns City — Trick or treat, 6 to 7 p.m. Oct. 31Halloween party with costume contest from 6 to 8 p.m. Oct. 26 on Grand Avenue; community trick or treat, 6 to 8 p.m. Oct. 31; Mars Area School District is having trick or treat from 5 to 6 p.m. Oct. 28 at the high schoolPortersville — Trick or treat, 6 to 7:30 p.m. Oct. 31Prospect — Trick or treat, 6 to 7:30 Oct. 31Saxonburg — Trick-or-treat, 6 to 8 p.m. Oct. 31Seven Fields — Trick or treat, 6 to 8 p.m., Oct. 31Slippery Rock — Parade from 6 to 8 p.m. Oct. 31 on Main StreetValencia — Trick or treat, 6 to 7:30 p.m. Oct. 31West Liberty — Trick or treat, 6:30 to 8:30 p.m. Oct. 31West Sunbury — Trick or treat, 5 to 6 p.m. Oct. 31Zelienople — Trick or treat, 6 to 8 p.m. Oct. 31