[LEAPSECS] Cheating means more planning, not less

[Jonathan E. Hardis]

>Correct.  However, the die was cast on this in 1958 when the second 

>was defined in terms of atomic behavior.


It was 1967.


>At that point, the game was up, since the basic unit of time was 

>decoupled from the day.  We transitioned from having rubber seconds, 

>to having rubber days.  I suppose we could push this back further 

>when the second was defined in terms of the mean solar day in 1900


...which happened in 1956 (ratified in 1960).


References:

    http://physics.nist.gov/cuu/Units/second.html
    http://tycho.usno.navy.mil/leapsec.html

   - Jonathan