Time does not remain same. At times, there is happiness and at the other end is sorrow. You never know when time will get changed. For ex- one dreams of getting better job after studies but it is not necessary that one will get good job after studies. On contrary so many times, it happens that our school fellows in spite of having ordinary school time gets better paying job.
It also happens that life is going smoothly but suddenly times get changed and all aspirations go down due to bad time. So particular year goes well while other goes in negative way.
Looking from Astrological point of view, there can be numerous combinations that make our life good and bad.
For Ex- if Saturn is malefic in birth chart and its dasa is going then time goes very negative way especially in its dasa. There may be delays, frustration, dejections, losses, disappointments to native. One may wander here and there without any aim. Life becomes dull.
So for Astrology life reading, full birth chart had to be studied in order to give insight on what future year(s) are holding for native.
Thus Astrology life reading will cover up the following:-
Career for coming year(s) by looking out what benefit career house for coming year or years can give in birth chart.
Finance for coming year(s) by looking out what finance prospects holds for coming year or years by looking transits and dasa antardasa in birth chart.
Health for coming year(s) by looking out what health prospects we might get in coming year or years by looking out birth horoscope.
Marital life for coming year(s) by looking out what marital life prospects holds for coming year or years by looking various parameters in birth chart.