 with a decimal fraction is called a moment, and the function moment-from-jd takes a floating point number as an argument and returns the argument -1721424.5; there is no requirement or opportunity to supply a time zone offset as an argument.The DATE function of the REXX computer language can return the number of complete days (that is, not including the current day) since and including the base date, 1 January AD 1 Gregorian, if the "Base" option is specified.This function uses local, not Greenwich, time.