Increase Your Psychic Powers Day is like Halloween on the 31st of October in 2018. There is no official connection between the two but certainly it can be of advantage for you to increase your psychic powers on a day where we are surrounded by so many mysterious things. Psychic powers are for example telepathy, channeling or extrasensory perception.
If you believe in psychic powers you can celebrate Increase Your Psychic Powers Day by practicing your abilities. Try to read your colleague's mind or try to see what will happen the day after Increase Your Psychic Powers Day. Real fans of psychic powers might also like to try a Ouija board or do some research on that topic.