Hi, There is a bug [8016215] in the implementation of HijrahDate.with(DAY_OF_YEAR, n) and also HijrahDate.get(DAY_OF_YEAR). Please review the corrected code and tests. http://cr.openjdk.java.net/~rriggs/webrev-hijrah-day-of-year-8016215/ Thanks, Roger [8016215] http://bugs.sun.com/view_bug.do?bug_id=8016215