Erik Naggum — A Long, Painful History of TimeThe Long, Painful History of Time Erik Naggum Naggum Software Oslo, Norway ABSTRACT The programming language Common Lisp offers a few functions to support the concept of time as humans experience it, including GET-UNIVERSAL-TIME, ENCODE-UNIVERSAL-TIME, DECODE-UNIVERSAL-TIME, and GET-DECODED-TIME. These functions assume the existence of a timezone and a daylight saving time regime, such that they c
