Stellarium - Stellarium is a free open source planetarium for your computer.
Time Buddy - Time Buddy brings a colorful world clock.
KStars - KStars is a Desktop Planetarium for KDE.
Time Zones Converter - Time Zones Converter is an application which as the name implies, is used for converting time zones.
Sky Map - Sky Map (formerly the Google Sky Map) turns your Android-powered mobile phone into a window on the...
Time Zone Converter - Time Zone Converter is an online productivity tool to calculate exact time across time zones.