Vincent Jalby has released @-time for use on Mac OS 8, 9, and X. @-time allows users to display current time in four locations. According to Vincent Jalby:
Vincent Jalby is pleased to announce the release of @-time 1.0 for Mac OS 8/9/X
@ - time is is a small application that gives the current time in four locations at the same time. It also includes local time, GMT (UTC) time and Internet (@) time.
You can find more information about @-time at the Vincent Jalby Web site. @-time is available as freeware.