Determination of the day of the week determined for the latter part of the analysis. By using a given day August 13, 2009 which was a Thursday as a reference, with "Base" and "n" being the number of days and weeks it has been since 01/01/0001 to the given day, respectively and "k" the day into the given week which must be less than 7, "Base" is expressed as Knowing that a year divisible by 4 or 400 is a leap year while a year divisible by 100 and not 400 is not a leap year, a software program can be written to find the number of
Valentine's Day Movie Day, and Hug Day. Korean women give a much higher amount of chocolate than Japanese women. In Taiwan, traditional Qixi Festival, Valentine's Day and White Day are all celebrated. However, the situation is the reverse of Japan's. Men give gifts to women on Valentine's Day, and women return them on White Day. In the UK, just under half of the population spend money on their Valentines and around £1.3 billion is spent yearly on cards, flowers, chocolates, and other gifts, with an estimated 25 million cards being sent. In Wales, some people celebrate Dydd Santes Dwynwen ("St Dwynwen's Day")