A simple way to calculate the day of the week for any day of a given year(blogs.fluidinfo.com)
blogs.fluidinfo.com
A simple way to calculate the day of the week for any day of a given year
http://blogs.fluidinfo.com/terry/2012/11/11/a-simple-way-to-calculate-the-day-of-the-week-for-any-day-of-a-given-year/
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