Labor Day initial proposal in the spring of 1882. According to McGuire, on May 8, 1882, he made a proposition to the fledgling Central Labor Union in New York City that a day be set aside for a "general holiday for the laboring classes". According to McGuire he further recommended that the event should begin with a street parade as a public demonstration of organized labor's solidarity and strength, with the march followed by a picnic, to which participating local unions could sell tickets as a fundraiser. According to McGuire he suggested the first Monday in September as an ideal date for
Determination of the day of the week for the following month. The item for January is "0"; for February or March, "3"; for December, "12". Day-item: The total, thus reached, must be corrected, by deducting "1" (first adding 7, if the total be "0"), if the date be January or February in a leap year, remembering that every year, divisible by 4, is a Leap Year, excepting only the century-years, in `New Style', when the number of centuries is not so divisible (e.g. 1800). The final result gives the day of the week, "0" meaning Sunday, "1" Monday, and so on. Examples: 17, divided by 4, leaves