Rooms Not Added to a Cart and Night calculation Mistake

Hi there,
I m working on drupal rooms module starting everything gone good 4 days
before i move to live server(windows server 2008) there i got some issue
on availability search module that is what ever the dates i choose it
calculate the nights only 6015 and also its do not add a rooms product
to cart i m using commerce for a cart.but still my localhost and my demo
server(linux) this works properly and every thing is fine.please help me
to fix this issue.

Thank you regards,

Sridhar