We have 12 signs from Aries .......to........Pisces
Each sign is 30 degree long
There are 2 full and a quarter of constellations (Nakshatras) in one sign.
For example lets take the sign : Aries
Aries sign has 3 Nakshatras :
1. Ashwini
2. Bharani
3. Krittika
Each Nakshatra has 4 Quarters (Padas)
Quarter 1 or Pada 1
Quarter 2 or Pada 2
Quarter 3 or Pada 3
Quarter 4 or Pada 4
Lets discuss further with example:
We have person A and person B.
Person A moon is in sign Aries and in nakshatra Ashwini.
Person B moon is in sign Aries and in nakshatra Bharani.
Both has same moon sign Aries but prediction for both will not be same because their moon is in different nakshatras.
What if both are in same sign and in same nakshatras
Person A moon is in sign Aries and in nakshatra Ashwini at 1 degree.
Person B moon is in sign Aries and in nakshatra Ashwini at 5 degree.
Both has same moon sign and in same nakshatras but they are placed at different degrees so again the predictions will be different for same moon sign people.
Points to remember :
The degree difference is not much in birth chart but this small difference is enough to make big changes in divisional charts.
Conjunct planets with moon and planets aspecting moon in that sign can change the predictions.
Hence two same moon sign people do not get same predictions or readings or that's why for all same moon sign people reading does not resonate.