Determination of the day of the week row C) to find the dominical letter that is E. The letter for September 18 is B, so the day of the week is Thursday. Use 16 (in the Julian century row, column E) and 76 (in row D) to find the dominical letter that is A. February 23 is a "D" day, so the day of the week is Wednesday. In a handwritten note in a collection of astronomical tables, Carl Friedrich Gauss described a method for calculating the day of the week for 1 January in any given year. He never published it. It was finally included in
Today Is Your Day the Canadian Hot 100. On the week ending July 2, 2011, "Today Is Your Day" also entered on the US "Billboard" Hot 100, at number 66 with 46,000 digital downloads (its sole week on the chart). This marked Twain's first entry on the "Billboard" Hot 100 chart since "Party for Two" (2004) spent its last week on the chart in February 2005. On the same week, "Today Is Your Day" entered at number 40 on the US Hot Country Songs chart, ranking Twain's fourth-highest debut. Two weeks later, on the week ending July 16, 2011, the track reached its peak