0 Good, 9 Bad
0. Fully Compliant, ISO/ANSI/FIPS, YYYYMMDD
1. Acceptable, cosmetic display problem hH:MM:SS,xx
2. Acceptable, 4 digit ambiguous, MMDDYYYY
4. Acceptable, 2 digit YMD, YYMMDD
6. Acceptable, 2 digit ambiguous, MMDDYY
8. Borderline, garbled output 19:0/02/29
9. Unacceptable. Replace or else. (none found, to date.)