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
Dydd Santes Dwynwen increased considerably in recent years, with special events, such as concerts and parties, often held and greetings cards printed. Although still not as popular as St Valentine's Day in February, St Dwynwen is certainly becoming better-known among today's population of Wales. A big boost for St Dwynwen’s Day came in 2003 when the Welsh Language Board (Bwrdd yr Iaith Gymraeg) teamed up with UK supermarket Tesco to distribute 50,000 free cards in 43 of its Welsh stores. One card was inserted with a special heart, the finder of which would be entitled to a prize. The board also suggested numerous