Mentally Compute the Day of the Week for any Date 

Using a simple formula and basic math skills, you can quickly determine the day of the week for any date. 

 With regular practice, you will appear to have an almost instantaneous ability to mentally compute the day of the week.

This is an excellent brain exercise with many useful applications

    …and it will amaze your friends!

“The mind that opens to a new idea never returns to its original size.”

                              -- Albert Einstein