♒︎ Sun in Aquarius · January 19 or 20 – February 18 or 19

Birth chart for Aquarius

Your Sun in Aquarius is one placement out of ten. It's the part every Aquarius shares; the other nine are what make your chart yours. Here's what is fixed, what can vary, and how your birth time decides the rest.

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What every Aquarius chart has in common

The Sun in Aquarius: a fixed air sign ruled by Uranus. In 2026 the Sun enters Aquarius on January 20 at 01:44 UTC and moves into Pisces on February 18; across recent decades the season starts on January 19 or 20 and ends on February 18 or 19, so the boundary days depend on the year and hour.

An Aquarius Sun is built around originality and systemic thinking. You don't take "this is how it's done" as a sufficient reason for anything. You ask why, and if the answer is just tradition, you're free to do something different. This makes you a natural innovator, an effective dissident, and an occasional pain in the ass to people who like consensus.

Your detachment isn't coldness — it's perspective. You can see your own life from twenty feet away, which means you don't get tangled in dramas other people get tangled in. Friends bring you their problems because you actually help, instead of just commiserating. The flip side is that warmth and emotional immediacy can feel uncomfortable to you; the people who love you learn that your love language is showing up consistently, not declaring feelings out loud.

Full Aquarius sign guide → · Sun in Aquarius →

Mercury and Venus: the placements that can't wander far

Two planets are tied to the Sun by geometry. Mercury never sits more than about 28° from it, so a Aquarius Sun always has Mercury in Capricorn, Aquarius, Pisces. Venus stays within about 47°, so it lands in Sagittarius, Capricorn, Aquarius, Pisces, Aries — most often the middle three. That's why Aquarians think and love in a recognisable handful of styles rather than twelve.

Your Moon: twelve possibilities

The Moon changes sign every two to three days, so it can be anywhere. It is the biggest single reason two Aquarians feel different from each other. Pick yours:

Don't know your Moon sign? Calculate it →

Birth time: your rising sign and where the Sun sits

At sunrise the Sun is on the horizon, so a Aquarius born at dawn has Aquarius rising and the Sun in the 1st house. Every two hours or so the horizon moves one sign along and the Sun climbs one house. This table is a rough guide — the ascendant's speed changes with latitude and season — but it shows why the time matters.

BornRising sign (approx.)Sun's house
Around sunriseAquarius rising1st house
~2 h after sunrisePisces rising12th house
Late morningAries rising11th house
Around middayTaurus rising10th house
Early afternoonGemini rising9th house
Late afternoonCancer rising8th house
Around sunsetLeo rising7th house
Early eveningVirgo rising6th house
Late eveningLibra rising5th house
Around midnightScorpio rising4th house
The small hoursSagittarius rising3rd house
Before dawnCapricorn rising2nd house

Get the real ascendant from your exact time →

Common questions

What is a Aquarius birth chart?

A birth chart is the whole sky at your birth: Sun, Moon, rising sign, all ten planets and the houses they fall in. "Aquarius birth chart" usually means the chart of someone whose Sun is in Aquarius — the Sun is one placement out of ten, so two Aquarians can have very different charts.

Do all Aquarians have the same chart?

No. They share the Sun in Aquarius, and their Mercury is always in Capricorn, Aquarius, Pisces, but the Moon can be in any of the twelve signs, the rising sign depends on birth time and place, and the outer planets depend on the year. The shared Sun explains why Aquarians recognise each other; the rest explains why they are not interchangeable.

When does Aquarius season start in 2026?

In 2026 the Sun enters Aquarius on January 20 at 01:44 UTC and enters Pisces on February 18. Across 1980–2030 the start falls on January 19 or 20 depending on the year, so people born on the boundary day should check the exact time.

Do I need my birth time?

For the Sun, Mercury, Venus and the outer planets, no. For the rising sign and houses, yes — they change every two hours or so. The Moon changes sign every two to three days, so a time helps on about one day in three. The free calculator works either way and tells you which parts depend on the time.

The full picture

See your whole Aquarius chart

Sun, Moon, rising, every planet and house, and the aspects between them — computed from your birth details, free. Then decide if you want it read.