Find your birthday using maths
This math trick will determine your birthday. Just follow the steps with a calculator and press equal after each step. Go ahead and try the trick without cheating!
For a simple, online JavaScript calculator, click on the calculator button.
Add 18 to your birth month
Multiply by 25
Subtract 333
Multiply by 8
Subtract 554
Divide by 2
Add your birth date
Multiply by 5
Add 692
Multiply by 20
Add only the last two digits of your birth year
Subtract 32940 to get your birthday!
The answer's format is: month/day/year. For example, an answer of 123199 means that you were born on December 31, 1999. If the answer is not right, please select one of the following: a) You followed the directions incorrectly b) You lied about your birthday or don't know your birthday c) All of the above