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
Owain Owain for the Welsh Language Society as the secretary of the first branch, at Bangor. Owain also sketched the society's logo (a red dragon's tongue) which continues to be their badge and logo. This early sketch can be seen at the National Library of Wales, Aberystwyth and on his official website (see below). Leading politician Dafydd Iwan says on his website, "He inspired my generation and laid down strong foundations on which the Welsh Language Society was built." His science fiction book entitled "Y Dydd Olaf" ("The Last Day") was described by the Welsh literary critic Pennar Davies in the book's