| Associated with JIS X 0201 |
| Associated with ISO8601 |
| Associated with JIS X 0301:2002 |
| Associated with JIS X 0301 |
| Associated with JISX0301 |
| Disassociated from JIS X 0201 |
| Disassociated from JIS X 0301:2002 |
| Disassociated from JIS X 0301 |
| Disassociated from JISX0301 |
| Associated with ISO 8601:1988 |
| Associated with ISO 8601:2000 |
| Associated with ISO 8601:2004 |
| Associated with (no title) |
| Disassociated from ISO 8601:2004 |
| Disassociated from ISO 8601 |
| Disassociated from ISO 8601:2000 |
| Disassociated from ISO8601 |
| Disassociated from ISO 8601:1988 |