Birthdays

Born on January 10

Sun sign
Capricorn — every year, 1940–2030
Sun degrees
19°06′ Capricorn – 20°31′ Capricorn · noon UTC, 1940–2030
Decan
second–third decan of Capricorn — the 20° line falls inside this date's span (rulers Venus / Mercury)
This year
January 10, 2026: Sun 20°15′ Capricorn · Moon in Libra at noon UTC

Some dates sit squarely inside one decan; January 10 rides the seam. The Sun here is Capricorn without question, but the date falls almost exactly where the sign’s Venus-ruled second decan hands over to the Mercury-ruled third — so your birth year and hour decide whether yours is the Venus-toned or the Mercury-toned cut of the sign.

Venus side, Mercury side

On the Venus side of the seam, the Capricorn Sun is the gracious builder: warmth banked under reserve, taste, loyalty expressed through upkeep. On the Mercury side it turns strategist: articulate, analytical, three conversational moves ahead. People born on this date usually report living with both — charm and calculation on the same staff, a diplomat’s manner over a planner’s mind. Whichever decan claims your year, the base metal is the same: patience, follow-through, and a horizon set decades out. The seam decides the finish, never the frame.

Charm and strategy in tandem

The pairing is professionally lethal, in the best sense. January 10 can read a room and then structure what it read — the negotiator who drafts the agreement, the founder who both pitches and delivers. In love, the same blend makes an attentive, quietly impressive partner who courts with competence: the plan handled, the detail remembered, the case for the relationship made and then proven. What partners sometimes miss early is how much feeling hides under the good staging. Few birthdays make so few unforced errors in either arena.

Overthinking the heart

Which is the friction: feelings get drafted, revised, and sometimes never sent. Between Venus’s wish to keep things pleasant and Mercury’s wish to phrase things perfectly, the true sentence can wait months for its final edit. Say the rough version. The people who matter will take a stumble over a silence every time.

The same year and hour that pick your decan also pick your Moon and your rising sign, which carry more of the story. The birth chart calculator settles the seam for your exact birth moment, no guessing.

The date, answered

What zodiac sign is January 10?

Capricorn. In every year from 1940 through 2030, the Sun is in Capricorn on January 10 — between 19°06′ Capricorn and 20°31′ Capricorn at noon universal time.

Is January 10 on the cusp?

No. Across 1940–2030 the Sun sits at least 9.5° inside Capricorn on January 10, so the sign never changes with the year.

What decan is January 10?

The date straddles the 20° line: depending on your birth year and hour, the Sun falls in the second or third decan of Capricorn (traditional rulers Venus and Mercury). A birth chart pins the exact degree.

What degree is the Sun on January 10?

Between 19°06′ Capricorn and 20°31′ Capricorn at noon universal time, depending on the year — the calendar drifts about a quarter degree per year against the Sun and resets on leap years. Your exact degree needs your birth date, year, and time.

The date gives you the Sun. The rest takes a chart.

Moon, rising, houses, aspects — computed from your exact birth moment, on your device, free.

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