Sun: This is the main planet of not only Vedic astrology but western astrology as well. Western astrology is purely based on sun sign and your zodiac signs. Sun represents Soul, father, personality, Govt Job at work front. Many festivals are also based on sun position in Zodiac. When sun goes in to makar rassi (Capricorn) then makar sakranti is celebrated in India. So we can see Sun hold very vital place in astrology.

When sun is with rahu or ketu and there are serious afflictions to sun then "pitra dosa" is formed in Vedic astrology which can give lot of obstacles to person in which this dosa is forming. So sun position is no doubt very important in Vedic astrology.

Various attributes related to Sun are as follows:

Time Sun remain in Zodiac Sign: Sun remains for 1 month in Zodiac Sign.

Benefic effects: If sun is benefic in birth chart then it will give benefic results for that house in which it is present probably in its dasa antardasa.

Malefic effects: If Sun is malefic in birth chart then it is bad for one father. Negative effects for that house will be seen in one life in which sun is present malefically but overall results for that house will depend upon placement aspects and conjunction of other planets as well.

Diseases: Malefic sun can give you heart burn, heart related problems, bone problems but again severity of it will depend upon how much sun is afflicted in horoscope.

Body part: Sun rules Bone.

Career: When sun is beneficially placed then person can try for Government jobs, can become politicians, managerial level position in company.