We use for our delivery reporting: Webi under an environment UNIX client/server with BO 6.1b, for reports/ratios using of sections of dates, Webi deliver 
us reversed dates mm/dd instead of dd/mm, under full BO not of problem, can you invite indicate a track to us? thank you 
ps: french platform
dominique.ducoroy (BOB member since 2008-09-29)