Difference between Advanced sunrise and delayed sunset
Advanced sunrise
1) In morning one can feel the presence of sunlight even though sun not is been raised in east.
2) The multiple refraction of ray of light emitted from the sun enters the earth’s atmosphere before actual sunrise.
3) During sunrise in horizon, sunrays appear to travel in curved path and reached the observer approximately 2 min before actual sunrise this is called as advanced sunrise.
4) Due to advanced sunrise, sun appears two minutes before actual time of sunrise which increases the duration of day time by 2 min.
Delayed sunset
1) In evening one can feel the presence of sunlight even after sun is disappeared below horizon.
2) The multiple refraction of ray of light emitted from the sun enters the earth’s atmosphere after actual sunset.
3) During sunset in horizon, sunrays appear to travel in curved path and reached the observer approximately 2 after actual sunset this is called as advanced sunset.
4) Due to delayed sunset, it appears that the sun remain 2 minute after actual sunset which increases the duration of day time by 2 min.