Every Day Counts
Star Days
Date of birth
Enter your date of birth. Find out when you will be celebrating!

Star Days occur when your day age is a star number.

A star number is a centred figurate number that represents a centred hexagram (six-pointed star), such as the one that Chinese checkers is played on.

The nth star number is given by the formula: Sn = 6n(n - 1) + 1