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
The Jerry Lewis MDA Labor Day Telethon was held annually on Labor Day weekend beginning in 1966, and would raise $2.45 billion for MDA from its inception through 2009. The telethon would broadcast for up to 21½ hours, starting on the Sunday evening preceding Labor Day and continuing until late Monday afternoon on the holiday itself. MDA called its network of participating stations the "Love Network". The show originated from Las Vegas for 28 of the years it was broadcast. Beginning in 2011, coinciding with Lewis' controversial departure, MDA radically reformatted and shortened the telethon's format into that of a benefit concert, shortening the length of the