City of Jeffers Trick or Treating Thursday, Oct. 31 4:00 p.m. to 7:00 p.m. Have your porch light on if you want to pass out treats. Halloween curfew is 10:00 p.m. to 6 a.m. The city will patrol throughout the night. City of Jeffers Trick or Treating Thursday , Oct. 31 4:00 p.m. to 7:00 p.m. Have your porch light on if you want to pass out treats . Halloween curfew is 10:00 p.m. to 6 a.m. The city will patrol throughout the night .