Question

how much time does light takes to reach Earth from Sun

Answer 1

its takes 8 minutes...

Answer 2

The sun is about 150 gigameters from Earth, or 93 million
miles. Light travels at 300 million meters per second, or
186000 miles per second. Divide the distance by the speed
to get time, which is 500 seconds, or 8 minutes 20 seconds.
That's how long sunlight takes to get to Earth.