Thanks for your help. Really appreciate that. I dragged in the project that is at its end before go live..

I ran the script and the out put that appears in last column after delta2 starting from 2013-10-15

and goes down decrementing by 1 day is the requirement

delta2(No column name)

-115/10/2013

-214/10/2013

-313/10/2013

-412/10/2013

-511/10/2013

it keep on decrementing the accrualdate till the last record.

apologies if it is still not clear 🙁 hope this help you .