The age range is not that strict.
Month Pillar Xu can still
potentially interact with incoming LP or AP when you are past 60 years old.
For example, here is the chart of Christian Lagarde, as contributed by
@Dao. Mrs. Lagarde is currently the chairman of the European Central Bank.
Female
H.......D.........M......Y 1956
Bing...Ding....Wu.....Yi
Wu.....Mao......
Zi.....Wei
Zi in the
Month Pillar represents Authority/Officialdom. She still obtained authority at an age older than 60. Her current official position was obtained just last year.