cal not showing items 4+ weeks in future

Hi using image1.7 and date1.8 server is running php 5.1.6-3.7
Im using ubercart to allow purchase of a class (in store learning class)
using cck date on a ubercart product node to facilitate purchase
calendar view displays title / time / thumbnail
A class/product will not show on the calendar if it is more than 4ish weekly blocks ahead
today mar 20 adding class/products to calendar
Items wont display beyond apr 13 (but it will display if date is set to apr 3 - or anything earlier than apr13)