Calculating a date in the future

[Horlick, Michael]

Greetings,
 
I would like to determine a date in the future through an EXEC. 
 
Example: We IPL VM every 28 days. Last time was Sept 8,2010. I would like to 
determine the date of the next VM IPL. Have the same need for VSE IPL and CICS 
re-boot times.
 
Thank you,
 
Mike Horlick
CGI Montreal