Is the first Monday in August considered a statutory holiday in your jurisdiction? This year, the first Monday is August 4.
In Alberta, Manitoba, Nova Scotia, Ontario, Prince Edward Island and Saskatchewan, Family Day is recognized as a public (statutory) holiday and employees get the day off with pay, if eligible. Each year, these provinces celebrate Family Day on the third Monday in February. In 2017, Monday, February 20 is Family Day.
In most parts of Canada, the first Monday of August is recognized as a holiday. This year, the first Monday is August 1. Although most commonly referred to as "Civic Holiday", the holiday is referred to differently across Canada. The name of the holiday is not the only thing that differs between the provinces and territories, the legal status of the holiday also varies. That is, in some provinces and territories, the first Monday in August is considered a statutory (public) holiday, while in others it is not.