How old was Kakashi when Woody Sakura was six years old?

Kakashi's date of birth: 9/ 15(26 years old, Virgo)

Date of Birth of Woody Sakura: 3/28 12- 13 years old (Part I) → 15- 17 years old (Part II) → 19 years old (Theater Edition) constellation.

There is no exact answer.