>>How do I calculate the end of the Month for any given year and month?
>

---

>

ldDate = Date()
>ldEOM = gomonth(ldDate-day(ldDate)+1,1) - 1

It's even simpler for month and year

lnYear = 2000
lnMonth = 2
ldEOM = Gomonth(Date(lnYear, lnMonth, 1),1) - 1