Graha Maitri — when the Moon lords are friends
Friendship between the two Moon lords, under both scoring conventions — because two exist and calculators pick one silently.
- Calculator
- Two birth stars and padas
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What this tool computes
Each of the twelve signs has a ruling planet. Graha Maitri takes the sign the Moon occupied at birth for each party, takes its lord, and asks what those two planets are held to be to one another — friend, neutral or enemy. It is worth 5 points of the thirty-six, more than any other koota except gana, bhakoot and nadi. The tool scores it under both conventions in circulation and prints the friendship reading in each direction, so the number is not handed over on its own.
The part that usually goes unsaid
Planetary friendship is directional. The Moon counts Mercury a friend; Mercury counts the Moon an enemy. That is not a transcription slip, and the classical sources are unanimous on it. Because the relation runs one way at a time, the koota has a middle: friendly one way and hostile the other is a real, common configuration rather than an edge case.
The two scoring conventions agree on full marks and agree on zero. They differ only in that middle.
Where one lord counts the other a friend and is counted an enemy in return, the standard scale awards a single point and the older scale awards two. Where the relation is neutral one way and hostile the other, the standard scale awards half a point and the older one a whole point. Two calculators can therefore print totals a point or two apart with neither having made an error, and neither is likely to mention that a choice was made.
What the result does and does not mean
Full marks are commoner than the weighting suggests: 38.9% of all pairings take all 5 points, a good part of that because the two moon signs share a single lord. Scoring nothing requires mutual enmity, which is why only 5.6% land there.
The result describes two planets, not two temperaments. It says nothing about how either person regards the other. Where it does real work is at the margin: the conventional accept line is eighteen out of thirty-six, 66.7% of pairings clear it, and the mean total is 20.1. The line falls just below the middle of the distribution, where couples are densest, so a single point decided by an unnamed convention can be the whole verdict.
Why does another calculator give a different Graha Maitri score?
Almost always because it used the other scale. Check whether your pairing falls in one of the two mixed cases involving an enemy. If it does, the gap is the convention rather than a mistake, and both numbers are defensible from a named source.
Our moon lords are enemies. How much does that cost?
Mutual enmity is the only configuration that scores nothing, and it takes 5 points off the total. One-directional enmity is a different case and still scores. The tool prints both directions separately for that reason: reading only the summed points hides which of the two you actually have.
Do we need birth times?
Not for this koota. The birth star and quarter fix the moon sign, and the moon sign fixes the lord. A birth time matters here only insofar as it affects confidence in the star itself.