N.H. Rev. Stat. Ann. § 39:5

The selectmen may address their warrant to the voters of the town, in which case they shall post an attested copy of such warrant at the place of meeting, and a like copy at one other public place in the town, at least 14 days before the day of meeting. The 14 days shall not include the day of posting nor the day of the meeting, but shall include any Saturdays, Sundays, and legal holidays within the said period.