GREENSBORO – Trick-or-treating starts at 4:30 p.m. on Halloween, Thursday, Oct. 31, in the Village of Greensboro and ends at 6 p.m. Residents throughout the village will offer treats to costumed visitors and volunteers will be stationed at summer homes throughout the village doing the same. “The Greensboro United Church of Christ will be grilling cheese sandwiches,” said Ed Sunday-Winters, pastor.