The learning and performance value from any time cycle can be managed, meaning time alone is a poor measure of 'experience'.
We can add significant value to any time cycle to make effort to learn the more meaningful measure.
Many boast of having say 30 years of experience, what use is that if it is the same year 30 times?
A lot more on this and many other free downloads at my website: www.andrewgibbons.co.uk