Last updated on 5 August 2000. It appears in CACM, volume 11, number 10, October 1968, p. 657.
All values are integer and divisions are meant to discard the remainders.
Synopsis Return current system clock time. The time zone correction is not applied. The value returned is a list of two integers indicating the number of seconds since 1 January 1970 and the number of seconds since the most recent second boundary respectively. Synopsis Return current system clock date. This primitive returns the date recorded in the system clock, according to the Gregorian calendar, as a list of three integers representing day, month and year respectively.