Representation for Calen dar Date for Machine-to-Machine Data Interchange* (Proposed American National Standard) CACM January, 1970 calendar date, machine-to-machine interchange, month, year, day, representation coded 3.70 3.73 3.74 3.9 CA700114 JB February 14, 1978 1:42 PM 2117 5 2117 2117 5 2117 2117 5 2117