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
Labor Day have their first day of school after Labor Day, in order to give families another weekend to visit amusement parks in the state. The relevant statute has been nicknamed the "Kings Dominion law" after one such park. In Minnesota the State Fair ends on Labor Day. Under state law public schools normally do not begin until after the holiday. Allowing time for school children to show 4-H projects at the Fair has been given as one reason for this timing. In U.S. sports, Labor Day weekend marks the beginning of many fall sports. National Collegiate Athletic Association (NCAA) teams usually