Is 20 a right age to go for a cricket coaching??

Sir, i want to know that is 20 yr a right to go for a cricket coaching because whenever i search on net for coaching the age barrier is 18 yrs but because of family problm i got late and now i got chance. Is am i late for the chance or is the age to go. Its important and im really passionate and dedicational towards this game so i need an ans for this important question sir..........