What is Working Day?

Legal Definition
1. Commerce. A day that is not a legal holiday or a Sunday. 2. Law. A day other than Sunday and a gazette, statutory holiday.
Legal Definition
In settling laydays, (q. v.) or days of demurrage, (q. v.) sometimes the contract specifies working days in the computation, Sundays and custom-house holidays are excluded. 1 Bell's Com. 577, 5th ed.
-- Bouviers Law Dictionary
Legal Definition
In settling lay-days or days of demurrage, sometimes the contract specifies "working days;" in the computation, Sundays and custom-house holldaya are excluded. 1 Bell, Comin. 577.
-- Black's Law Dictionary