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Mars24 is a Java-based application which displays a Mars "sunclock", a graphical representation of Mars showing the current sun- and nightsides of Mars, along with a numerical readout of the time in a 24-hour format. Other displays include a plot showing the relative orbital positions of Mars and Earth and a diagram showing the position of Sun and Earth for a given location on Mars.

What's New

Version 7.0.1:
  • Updated MSL landing coordinates from target lon-lat to touchdown lon-lat. The difference between landing site LMST and the mission clock remains a few seconds, but in the opposite direction.
  • Bugfix: Difference in decimal character caused localization problems in reading and saving preference values and in handling some input text field contents.
  • Bugfix: Trapping of more...


  • OS X 10.4 or later
  • Java 1.6 or later

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5 4


Current Version (7.x)


Downloads 9,933
Version Downloads 109
License Free
Date 09 Aug 2012
Platform Intel 64 / OS X / Intel 32
Price Free
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