Click Clock
Click Clock is a clock, calendar, weather, and astronomy program. It shows your local temperature in the tray. It also shows local weather, animated weather radar, animated satellite images, date and time of sunrise, sunset, moonrise, moonset, equinoxes & solstices, moon phases, eclipses, meteor... Click Clock is unique in that the calculation of rise and set times takes into account your altitude above sea level which can change these times by several minutes. ... Unique graph of sunrise and set times for the entire year.
http://www.elegantpie.com/clickclock-setup.exe - 6Mb - Download - Screenshot

Calendar Mine
Calendar Mine is the only calendar that you need, providing accurate date information starting in 1583 up until year 2500. It is an attractive, perpetual, multicultural, personal desktop calendar. Calendar Mine brings the beauty of a wall calendar and the availability of a desktop blotter to... Date and time calculations include sunrise/set, moon rise/set, moon phases, Islamic prayer times, and best fish and game times. ... All date and time calculations are specific to the user's location and are accurate anywhere on the globe.
http://www.Calendarmine.com/Catalog/CalMineSW/CalMin20.exe - 8Mb - Download - Screenshot

Almanac
Almanac gives you the capability to determine the times of rising, setting, and meridian transit for the sun, the moon, and the planets. It also enables you to calculate the beginning and ending of astronomical, nautical, and civil twilight. The results of the calculations are formatted and... For rise/set calculations, the observer has zero elevation so that the horizon is exactly 90 degrees from the local vertical. ... Lunar parallax changes the perceived altitude of the moon because the observer is not at the center of the earth.
http://home.att.net/~srschmitt/ALMNAC10.zip - 587Kb - Download - Screenshot

12Ghosts ShowTime
Enhance your taskbar clock to show the date and a second time zone. You may display seconds smaller and the date in a different color, for example. Everything is configurable, the display of the date and time, font, size, colors, alignment, and shadow effect. ... It displays the phase of moon and age of moon. ... It wouldn't be a real clock if it didn't have an alarm that can be set daily or at a certain date. ... 12-ShowTime displays the time and date either in the tray or in a free movable window, which can be set to stay in the title bar of the active window.
http://12Ghosts.com/download/12showtime.exe - 2Mb - Download - Screenshot

12Ghosts Timer
This is an easy to use and powerful scheduler for starting applications, opening documents or Web pages, setting up reminders or wake up with music, or previewing the exact moon phase. Executable only 120 KB. Start once, countdown, or recurring per second; or start after logon. ... Set process priority and window state. ... Optimized timer control for easy usage. ... Batch capable. ... Holiday support to run timers on business days only.
http://12Ghosts.com/download/12timer.exe - 2Mb - Download - Screenshot

SDATimer
SDATimer is multifunctional digital countdown timer, clock and stopwatch. The key features are: Calendar with Sunrise,Sunset time, Moon Phase. Cool interface with skins support, easy to use. Mp3 files support. Easy to set time - only click by digits, or by using time presets. ... Flexible setup actions, then the Timer stop counting at zero . ... System tray support. ... It is 'must have' product category and shareware without time limitation. ... AlwaysOnTop feature. ... Original AutoHide feature.
http://sdisle.com/sdatimer/sdatimersetup.exe - 845Kb - Download - Screenshot

Dynamic Biorhythms
Dynamic Biorhythms is an advanced multilingual tool for the analysis, forecast and comparison of biorhythms cycles of any person. Besides, the software will provide you with a plenty of additional information such as: Moon phase graphics for each date with the Lunar day descriptions; a Zodiac... Sun Rise and Set Times, Moon Rise and Set Times. ... Dynamic Biorhythms has a rich set of behavior / appearance options, you can easily adjust any one them to your needs and taste. ... Fully customizable Horoscope compatibility options allows you to control all the comparison aspects.
http://www.greenline-soft.com/dynbio.zip - 2Mb - Download - Screenshot

ZoneTrekker
View world clocks, time zones, and a day and night map, and keep track of public holidays. This program is ideal for businesspeople, travelers, and anyone who wants to stay in touch with colleagues, family, or friends around the world. It displays the current local times of all selected cities... You can also compare time zones of any two locations on any day by viewing their daily calendars side by side. ... You get easy access to time zones in more than 100,000 locations and public holiday dates for more than 70 countries.
http://www.esotech.net/software/zonetrekker/ZTTrial.exe - 3Mb - Download - Screenshot

ActiveEarth
ActiveEarth is a world time clock with a gorgeous day/night merge of NASA's Visible Earth satellite images in flat maps or a globe, with a row of user-definable clocks along the bottom. These clocks are beautiful, scalable, ticking, analog clocks that come in several styles with many custom... " Along with the real time view of the day and night portions of the earth, ActiveEarth calculates astronomical data for each city; sunrise, sunset, moon rise and set, moon phase, etc. ... Each clock is set to a city of your choice.
http://www.activeearth.com/Download/AE2_2097.exe - 3Mb - Download - Screenshot

World Saver 3D
A unique, stunning, fully-featured 3D Windows screensaver by 3D Wonders. It features a beautifully rendered 3D world slowly spinning against a backdrop of nebulae and stars, with the Sun and Moon correctly positioned in relation to the Earth. Additional visual effects including clouds,... Set a geostationary viewpoint above any city. ... Accelerate time and see the Sun and Moon zoom around Earth in moments. ... It also allows you to tell at a glance the approximate time at any location on the globe!
http://www.3dwonders.com/worldsaver3d/WorldSaver3DSetup.exe - 939Kb - Download - Screenshot