Script Timer 2.7

Script Timer lets you flexibly schedule the execution of AppleScript, perl, and shell scripts, as well as Automator workflows and applications.

Script Timer consists of three separate modules: Script Timer itself, used to create and manipulate scheduling data files Background scheduling engine that reads the data files and does the actual scheduling work An optional scheduling engine status monitor whose icon appears in the system status bar
Also included is Track Timer, a script that provides an interface between Script Timer and iTunes for automated media play, and Job Timer a script to keep track of the time spent on various tasks.