Its moon Phobos orbits the planet in 7 hours, rises in the west, & sets in the east
[DOC] [TLE] Phobos (moon) - Wikipedia [PAR] As a result, from the surface of Mars it appears to rise in the west, move across 
the sky in 4 hours and 15 minutes or less, and set in the east, twice each Martian
... [DOC] [TLE] Moons of Mars - Wikipedia [PAR] The moons of Mars are Phobos and Deimos.