| Created |
| Associated with Time Changes in the U.S.A. |
| Associated with Time Changes in the World (Except Canada, Mexico, USA) |
| Associated with Time Changes in the World |
| Associated with Time Changes in Canada and Mexico |
| Associated with Time Changes |
| Associated with SUPPLEMENT TIME CHANGES IN U.S.A. COVERING YEARS FROM 1966 THROUGH 1969 |
| Associated with TIME CHANGES in the WORLD (EXCEPT CANADA, MEXOCO, USA) |