calculate days in month

[fipoca]

Hey 

pleas help me.

I have to calculate an observation time between two dates and sas calculates the days of the periode. How can I get sas to calculate it in months?

thank you for your help

[Dawid]

Create a dimension of type duration_month and give it a start and end SQL fields.

[fipoca]

@Dawid thank you so much for your suggestion