Analysis of information sources in references of the Wikipedia article "United States Court of Appeals for the First Circuit" in English language version.
In January through June, and October through December, the Court usually sits for one week starting on the first Monday of the month. In either July or August, the court sits for one week. In September, the Court starts on the Wednesday after Labor Day and sits for the 3 days in that week and the 5 days in the following week. In November and March the court sits two weeks, with one week in Boston and one week in Puerto Rico. Court sittings are held in the morning, typically between 9:30 a.m. and 1:00 p.m.