An observer standing on Mars would see the planet's moon Phobos cross the sky from west to east every five hours. Its orbit passes between the sun and any given point on Mars about once each Earth year. Each time it does so, it causes from one to seven solar eclipses within the space of three days.
One place where this happens...
Surprise On Mars
Eurasia Review
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Surprise on Mars
Zurich, Switzerland (SPX) Sep 07, 2020
An observer standing on Mars would see the planet's moon Phobos cross the sky..
Space Daily