PalmaryClock
Palmary Clock is a customizable alarm clock, with integrated stopwatch, world time, and many other features. Numerous skins we've developed for Palmary Clock allow you to adjust the clock design according to your wishes. You can also create a new skin by yourself. ... Features - User's skins - New skins with calendar - User's backgrounds - Start PalmaryClock when device is power off - Start an application or timer on alarm - Easily adjustable and intuitive alarms and timers control from the main clock screen - Slideshow mode - Personal user settings for every skin - Analog clock - Digital...
http://www.palmarysoft.com/products/clock/PClock_v321.zip - 3Mb - Download - Screenshot

PalmaryClock for Treo 600/650
Palmary Clock is a customizable alarm clock, with integrated stopwatch, world time, and many other features. Numerous skins we've developed for Palmary Clock allow you to adjust the clock design according to your wishes. You can also create a new skin by yourself. ... Features - User's skins - New skins with calendar - User's backgrounds - Start PalmaryClock when device is power off - Start an application or timer on alarm - Easily adjustable and intuitive alarms and timers control from the main clock screen - Slideshow mode - Personal user settings for every skin - Analog clock - Digital...
http://www.palmarysoft.com/products/treo/clock/PClock_Treo_v321.zip - 2Mb - Download - Screenshot

TimePuter
Everything in our life is bounded up with time. Sometimes you need to calculate time until a significant date, time period for making future plans or simply to track money growth on your accounts. In most cases, it is better to have a convenient software tool at hand. ... In addition, the program has many additional features: it shows you world time zones, complete information about time, moon phase and horoscope sign at the present moment. ... Another outstanding feature of TimePuter is time period exclusion, so you may exclude weekends, holidays or time period from your calculation.
http://www.timeputer.com/download/TimePuterSetup.exe - 1Mb - Download - Screenshot

GammaChron
Clock Chimes - Chime using one of 128 possible Midi Instruments or speech, 7 chimes or "Hour Only", chime frequency selection, "Quiet Time" option. Alarm Clock - Dual alarm plus "Nap", plays mp3, WAV, Midi or speech for sound, visual indicators, "Sleep" and "Reset", log. ... Atmosphere Information - Current moon phase icon in system tray, sunrise, sunset, moonrise, moonset, synodic day and meteor shower data with notifications. ... Timers - Dual timers, millisecond resolution, stop and continue, real-time difference between timers.
http://www.DesertViewSoftware.com/GammaChron10.zip - 1Mb - Download - Screenshot