first go to
https://github.com/JodaOrg/joda-time/releases
download latest version of joda tile lib and put it in "lib" folder of grails app
then import
import org.joda.time.DateTime;
import org.joda.time.Days;
import java.util.Date;
then here is a exmple to find difference between dates.
Date future = job.applyBefore;
Date today = new Date();
int Days = Days.daysBetween(new DateTime(today), new ...
