Town of New Marlborough Meeting Schedules. Selectmens Meeting every Monday at 6:30 p.m. Planning Board: First & Third Wednesday of the month at 7:30 p.m. Board of Health: First Tuesday of the month at 7:00 p.m. Conservation Commission: Fourth Tuesday of the month at 7:00 p.m. Board of Assessors: First and third Mondays of the month at 7:00 p.m. Cultural Council: Second Thursday of the month at 4:15 in the library.