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
Welsh units homestead for purposes of inheritance &c., varying its size depending on the social status of the owner. The homestead of a nobleman (') was 12 Welsh acres, that of a serf ( ', ') had 8, and that of a bondsman or slave ( ') had 4. The text, however, notes the uncommonness of this division and says it was generally understood as 4 acres regardless of status. In the Dimetian Code used in southern Wales, the same divisions were reckoned differently: The Welsh seem to have used an eight- or nine-day week, rather than a seven-day one, long after