time of day

UTC Clock will display the current UTC (Zulu, GMT, whatever) time in a simple...

Use skins to display current time on your desktop and customize taskbar clock

Eddy Timer is a simple to use time reminder for Mac OS X.

Automatically disables inactive user accounts based on last logon time

simple XML Editor with real-time validation against DTD or schema

WakeupOnStandBy can wakes your system up at predefined time, runs a file

Free tool for monitoring the boot time of computers when users start them.

A simple tool allows you to send an email to multiple contacts at the same time.

Launch ICQ multiply for being online with multiple accounts at the same time.

Can create folders formating their names with current date and time as a mask.