As for the number of strokes, it is calculated according to how you usually write it. Traditional Chinese characters are used in Taiwan, Hong Kong and other places, and the calculation is based on the traditional Chinese characters written. Simplified strokes are generally used in mainland China.
The five elements of the name are suitable for birth, the past is born for the back (left is born for the right), and the final five elements aura is attributed to the use of the eight characters.