Christmas in July of July (Canada Day on July 1 in Canada and American Independence Day on July 4 in the United States) and Labor/Labour Day (the first Monday in September for both the US and Canada), leaving a stretch of about two months with no holidays (some Canadian provinces hold a Civic Holiday, but neither Canada nor the United States has ever recognized a national holiday during that month). The late July period provides relatively few opportunities for merchandising, since it is typically after the peak of summer product sales in June and early July, but before the "back to school" shopping
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