Shad Bala — The Six-Fold Strength of Planets

Shad Bala ("six strengths") is the classical numerical system for measuring how strong each planet is in a chart. Where dignity (own/exalted/debilitated) is a coarse first pass, Shad Bala is a refined six-component score covering position, direction, time, motion, nature, and aspect. The result is a number — usually expressed in Rupas — that tells you how potent a planet is to deliver its results.

KarmaWheel computes the full Shad Bala for every chart in the Shad Bala — Six-Fold Planetary Strength card.

The six strengths

1. Sthana Bala (positional strength)

Strength from where the planet sits — exaltation, own sign, friendly sign, etc. Has multiple sub-components:

Uchcha Bala — proximity to exaltation degree
Saptavargaja Bala — strength across the seven main vargas (D1, D2, D3, D7, D9, D12, D30)
Ojhayugma Bala — odd/even sign placement (different rules for benefics vs malefics)
Kendradi Bala — being in a kendra, succedent, or cadent house
Drekkana Bala — strength based on which third of a sign the planet occupies

Sthana Bala is the largest contributor to overall strength — getting it right matters.

2. Dig Bala (directional strength)

Each planet has a "directional best home":

Sun and Mars: the 10th house (south, midheaven)
Jupiter and Mercury: the 1st house (east, ascendant)
Saturn: the 7th house (west, descendant)
Moon and Venus: the 4th house (north, lower meridian)

A planet at its directional house has full Dig Bala (60 virupas / 1.0 rupa). Planets in the opposite house have minimum Dig Bala. Smooth gradient between.

This explains a lot of practical strength assessment — Saturn in the 7th is always somewhat strong by Dig Bala, regardless of sign dignity.

3. Kala Bala (temporal strength)

Strength from time-related factors. Multiple sub-components:

Nathonatha Bala — day/night strength (Sun, Mars, Jupiter strong by day; Moon, Mars, Venus by night)
Paksha Bala — bright/dark fortnight strength (benefics strong waxing; malefics strong waning)
Tribhaga Bala — strength based on what third of day or night the chart was cast in
Abda, Masa, Vara, Hora Bala — year, month, day, and hour ruler strengths
Ayana Bala — northern/southern declination strength

4. Cheshta Bala (motional strength)

Strength from how the planet is moving:

Sun and Moon: special calculations (Sun: based on declination; Moon: based on Paksha)
Mars, Mercury, Jupiter, Venus, Saturn: based on retrograde motion. Maximum Cheshta Bala when retrograde or near a station; minimum when moving fastest forward.

This is one reason retrograde planets are often very strong in Vedic astrology (despite their unconventional expression) — they have high Cheshta Bala.

5. Naisargika Bala (natural strength)

The planet's inherent natural strength, fixed for all charts:

Sun: highest (60 virupas / 1.0 rupa)
Moon: 51.43
Venus: 42.86
Jupiter: 34.29
Mercury: 25.71
Mars: 17.14
Saturn: lowest (8.57)

This reflects classical hierarchy. Saturn's low natural strength means it has to make up for it in the other five strengths to deliver well — which it can.

6. Drik Bala (aspectual strength)

Strength from being aspected by benefics (positive Drik Bala) or malefics (negative). Computed from the strength of every aspect on the planet.

A planet aspected by exalted Jupiter gets significant Drik Bala; one aspected by debilitated Saturn gets a negative contribution.

The total

Sum of all six = total Shad Bala in virupas (where 60 virupas = 1 rupa).

Each planet has a minimum required strength for it to deliver fully. If a planet is below its minimum, it can't fully express its functional house lordships, even if technically dignified:

Planet	Minimum required (rupas)
Sun	6.5
Moon	6.0
Mars	5.0
Mercury	7.0
Jupiter	6.5
Venus	5.5
Saturn	5.0

KarmaWheel's Shad Bala card flags planets below their minimum.

What Shad Bala tells you

Used well, Shad Bala helps you:

Rank the planets by overall potency in this chart — strongest first
Identify which planets can actually deliver their house-lordship results
Compare with dignity — sometimes a debilitated planet has surprisingly high Shad Bala (especially via Cheshta and Drik Bala) and delivers well; sometimes a sign-exalted planet has low Shad Bala and underperforms
Time predictions — the strongest planet's dasha tends to be the most consequential period of life

Using Shad Bala with dasha

When the active Mahadasha lord has high Shad Bala (and especially Sthana + Dig), expect powerful, smooth manifestation of that period's themes. When the Mahadasha lord has low Shad Bala, the period is muted — themes still arise but with less force.

Same logic applies to Antardashas.