In case you ever want to know what day of the week your birthday will be on in 5 years, or what day of the week a YouTube video came out on, this algorithm will solve all your problems. Simply enter the Date(1-31), Month(1-12), and Year(e.g. 1997) you want to find the day of, and this algorithm will give you the day of the week instantaneously. Now if you'll excuse me, I'll go take a well-earned break. The code for this thing is LONG!
Algorithm from a Murderous Maths book (yes, I read Murderous Maths religiously) All artwork(minimal) and code(massive) is mine.