What time can construction start in the morning Newton Massachusetts?

According to the City of Newton noise bylaw, "the use of any motorized tool or equipment likely to cause noise disturbing to unreasonable annoyance or discomfort to residential property or occupants shall not be operated unless the source of noise is more than 100 feet from the nearest residential property line between the hours of 7:00 a.m. and 9:00 p.m.". Therefore, construction can start at 7:00 a.m. in Newton, Massachusetts.