An Act for the better Observation of the Lord's-Day, commonly called Sunday (7 Will. 3, c. 17; short title Sunday Observance Act (Ireland) 1695 in Northern Ireland, Sunday Observance Act 1695 in Republic of Ireland) is a 1695 act of the Parliament of Ireland, which provided for the prohibition on Sundays in the Kingdom of Ireland of certain work and leisure activities, to promote Sabbatarianism and observance of Sunday as the Christian sabbath. As of 19 April 2018 sections of the act remain in force in Northern Ireland.