iPhone app Mars-Clock

Mars-Clock displays accurate, real-time NASA Mars mission data making it a fun, informative, useful, and educational tool.

Currently active NASA Mars missions include: Curiosity Rover, InSight Lander, and Perseverance Rover.

The Mars 2020 Mission, Perseverance Rover, landed on Mars on February 18, 2021.

Information for each Mars Mission is displayed in a simple, easy-to-read format.

Features include:

-Mission Sol: Elapsed time of each mission in Sols (analogous to an Earth day)

-LMST: Local Mean Solar Time (used for mission time)

-Sunrise/sunset times for each mission

-LTST: Local True Solar Time.
The time, used in some science applications, that is derived from solar noon.

-MTC: Coordinated Mars Time Analogous to Universal Coordinated Time (UTC) on Earth

-Earth-Mars distance: Real-time readout in miles or kilometers

-Radio signal delay (one way between Earth and Mars.
Real-time readout in minutes of signal delay

Mars-Clock has a simple, easy-to-navigate display:

-Tap the info button for a Quick User Guide (tap mission name on Apple Watch)

-Swipe left/right (Long press mission time on Apple Watch) in the large mission box to page through the active missions

-Tap Earth-Mars Distance to toggle between units of miles and kilometers

-Earth-Mars Distance display is blue when the distance is decreasing, and red when the distance in increasing,

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