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
Goleuddydd Goleuddydd Goleuddydd ("light of day" from the Welsh "golau", "light", and "dydd", "day"), in the Middle Welsh prose tale "Culhwch ac Olwen", is the daughter of Amlawdd Wledig, and is desired by Cilydd, who marries her. She becomes pregnant with his child, but becomes mad and turns to wandering the countryside. When she is near to giving birth, her senses return, and she takes shelter with a swineherd. Frightened by the pigs, she gives birth to a boy, apparently in a pig run. The swineherd takes the baby away to be baptised as Culhwch; he becomes the protagonist of "Culhwch