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
Sunday Germanic term is a Germanic interpretation of Latin "dies solis" ("day of the sun"), which is a translation of the Ancient Greek "heméra helíou". The p-Celtic Welsh language also translates the Latin "day of the sun" as "dydd Sul". In most Indian languages, the word for Sunday is "Ravivāra" or "Adityavāra" or its derived forms — "vāra" meaning day, "Aditya" and "Ravi" both being a style (manner of address) for Surya i.e. the Sun and Suryadeva the chief solar deity and one of the Adityas. Ravivāra is first day cited in Jyotisha, which provides logical reason for giving the name