Determination of the day of the week possible to do all the calculations in one's head with a little practice). None of the methods given here perform range checks, so unreasonable dates will produce erroneous results. Every seventh day in a month has the same name as the previous: "Corresponding months" are those months within the calendar year that start on the same day of the week. For example, September and December correspond, because September 1 falls on the same day as December 1. Months can only correspond if the number of days between their first days is divisible by 7, or in other words, if their
Family Day (Canada) in February, to be first observed on February 18, 2008. Its creation raised Ontario's number of statutory holidays to nine per year. However, this holiday does not necessarily add to the number of holidays Ontarians receive because employers can substitute any non-statutory holidays that employees may already be receiving in lieu of this day. Many employers have substituted the popular Civic Holiday, which falls on the first Monday in August. Although the Civic Holiday is enjoyed by millions every year, it is not public (statutory), and workers may have to choose one holiday or the other, based on their contract,