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The planets · Identity

Sun.

The Sun is who you're becoming — your core identity, your vitality, and the thing you're here to shine at.

Last updated October 6, 2026

Your chart

Where is your Sun?

Compute your real chart and Danu reads your Sun by sign, house, and degree — and what it's doing right now.

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What it is

What Sun rules

Sun: the identity in you

The Sun is the center of the chart, the way it's the center of the sky. It's your core identity — not the mask you wear (that's the rising sign) but the self you're growing into over a lifetime. It rules vitality, purpose, and the will to be someone in particular.

Your Sun sign is the most-asked question in astrology because it's the trunk of the tree. Everything else in the chart shades it, but the Sun is the thing being shaded.

Rules Leo.

The tell

How it shows up

  • It's what you're proud of when you're being honest — the trait you'd defend, the way you most want to matter.
  • Your vitality tracks it: you feel most alive doing the thing your Sun is built for, and grey when you're cut off from it.
  • It gets stronger with age. People often grow into their Sun sign as the borrowed selves fall away.

The hard part

The shadow

What to watch for

The Sun can curdle into ego — needing to be the center, taking every room personally, defending the self-image instead of living the self. Pride is the Sun forgetting it was meant to give light, not collect it.

The move

What to do with it

Somewhere to go

Point your Sun at something bigger than your image of yourself. It's at its best when it warms what's around it — do the thing you're built for in a way that lights other people up, not just you.

See Sun up close in Sun in Leo.

The other planets

Read the whole chart

By house

Sun in each house

The sign is how the Sun acts; the house is where. Whole Sign, counted from your rising sign.

By aspect

Sun in aspect

What the Sun does when it meets another planet at an angle.

Common questions

Sun, answered

What does Sun mean in astrology?

The Sun is who you're becoming — your core identity, your vitality, and the thing you're here to shine at. The Sun is the center of the chart, the way it's the center of the sky. It's your core identity — not the mask you wear (that's the rising sign) but the self you're growing into over a lifetime. It rules vitality, purpose, and the will to be someone in particular.

What does Sun rule?

Sun rules Leo. Your Sun sign is the most-asked question in astrology because it's the trunk of the tree. Everything else in the chart shades it, but the Sun is the thing being shaded.

How does Sun show up in a chart?

It's what you're proud of when you're being honest — the trait you'd defend, the way you most want to matter. Your vitality tracks it: you feel most alive doing the thing your Sun is built for, and grey when you're cut off from it. It gets stronger with age. People often grow into their Sun sign as the borrowed selves fall away.

What is the shadow side of Sun?

The Sun can curdle into ego — needing to be the center, taking every room personally, defending the self-image instead of living the self. Pride is the Sun forgetting it was meant to give light, not collect it. Point your Sun at something bigger than your image of yourself. It's at its best when it warms what's around it — do the thing you're built for in a way that lights other people up, not just you.

Your turn

That's Sun in general. Yours is in a sign and a house.

Compute your real chart and Danu reads your Sun by sign, house, and degree — and what it's doing right now.

Free preview, no account needed. Birth details can prefill sign-up for a week. Browser data stays until cleared.