Day of Week Genius

The app works by helping you memorize a few short lists and testing your recall skills with flashcard-like repetition. Then I teach you a simple equation to flawlessly determine the day of week for ANY date.

If you can perform simple addition and divide by the number 7 you can be a Day of Week Genius, too!

Features

• Learn about Day Codes, Month Codes, and Year Codes
• Learn the Day of Week Equation
• Learn and Practice in Tutorial Mode
• Challenge yourself daily by taking the Day of Week Challenge
• Using the "Show Me" feature, see the breakdown for the calculation on any challenged date