The Handy Calendar

What day of the week is it? For calendar calculating like savant syndrome.

HOME > English


Welcome to the world of Finger Calendar!

This website introduces “Finger Calendar”, a marvelous method by which you only have to count on your fingers for a few times to figure out what day a date is.

The calculation method used in the video is different from Tutorial.


“Handy Calendar” and “Sum Day" are removed from sale.