687 Earth days
it takes 13 years to make on revolutions around the sun
A year on Mars is equivalent to 687 Earth days.
One year on Mars is equivalent to about 687 Earth days.
a year on mars is equivalent to 687 earth days.
No. A year on Earth is 365 1/4 days, while on Mars a year is 687 Earth days.
No, only planets inhabited by beings that need calendars have leap years.
Mars is unique.
1 year
1976.
1
A year on Mars is approx 1.8808 Earth years so 12 years on earth are equivalent to 6.38 years on Mars (approx).
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.for more information, See other related questions, e.g. how long is a day on mars?=]