Sun in Capricorn
The Sun in the sign Capricorn is will through discipline, structure, and the achievement of status. Capricorn is the tenth sign of the zodiac, earthy, cardinal, ruled by Saturn — an adversary of the Sun in the traditional planetary friendships.
The Sun in Capricorn rests on labor and time. Here the will is built so that real authority comes through years, not through a gesture.
What this placement means
Capricorn under the rulership of Saturn gives two effects. The first is structure: a person leans on rules, order, and duty. The second is a late triumph: what's built here is tested by time and stands firm.
The Sun in Capricorn needs the chance to act methodically and step by step. A setting that demands instant results is alien to its nature.
The Sun crosses a sign in about a month, and this is when the yearly highlight of the same channel of will falls: over that month, what's set by the placement in the chart is lived through. Lasting influences come through the slow planets' transits over this sign — Saturn crosses a sign in about 2.5 years, Jupiter in about a year — and through the mahadasha of Saturn as the sign's ruler. A transit of Rahu over the sign lasts about a year and a half and sets a separate layer of restructuring. The houses the Sun falls into in a chart, and the planets it's linked to by aspect, specify which spheres of life sharpen during these periods.
How it manifests
In character — through composure. A person with the Sun in Capricorn isn't inclined to impulse: their will rests on long effort.
In behavior — through responsibility. Here the will shows up as a readiness to carry a load and answer for order.
In self-assertion — through status and achievement. The Sun in Capricorn proves itself by what's built and has held up.
What to watch
The strength is the ability to build for the long term. Where structure and long-term responsibility are needed, the Sun in Capricorn works naturally.
The weak point is coldness: restraint in showing feeling turns into distance from those who need softness.