Mars time converter
Convert time between Martian sols and years and Earth hours, days and years.
1.027days
That's about the same as one sol. Over that time Mars falls 39.59 minutes behind Earth clocks.
What it means
How long is that on Mars?
Mean solar day (sol) of 88,775.244 s; a Mars year is 668.6 sols, 687 Earth days.
Every unit
That time on both planets
Learn
Three things worth knowing
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40 minutes a day
Each sol is about 40 minutes longer than an Earth day: 36 sols ≈ 37 days.
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Viking’s sols
The word sol was adopted by the Viking lander teams in 1976 to keep Earth days and Mars days apart.
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A Mars year is not 365 sols
It is 668.6 sols; seasons last about twice as long as Earth’s.
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Background
About sols
A day on Mars, a sol, is 24 hours 39 minutes 35 seconds, close enough to ours that rover teams live on Mars time, starting 40 minutes later each day. A Mars year is 668.6 sols, almost two Earth years.