how long is a day in mars
Answer by Rocketfueler. Confidence votes 88. A day on Mars (the time it takes to rotate on its axis) is 24.62 hours, just slightly longer than a day on Earth. A year on Mars (the time it takes to go around the Sun) is 686.97 days, almost 2 of our Earth years.A day on Mars is 24 hours, 39 minutes and 35 seconds; amazingly similar to a day on Earth. day on Mars is 1.025957 days or 24.622 hours or 24 hours and 37minutes long. Mars i â¦ s smaller that Earth but its rotational speed is slower than Earth. The rotation period of Mars (one full turn around its axis) is slightly longer than one Earth day.