It takes light from the sun 760 seconds or 12 mins and 40 seconds to reach Mars, with mars being an average of 228 million km from the sun.
8 minutes, learned it in science in grade four . But wait ! It depends where the light started from. If it started from the Earth or the Moon, then it takes 8 minutes 20 seconds. But if it started...
i think 8 minutes
About 12.67 minutes.
From where ? ? ? From the sun: 12min 40sec From the earth when Mars is closest: 4min 21sec From the earth when Mars is farthest: 20min 59sec