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Born on December 20

A December 20 birthday is Sagittarius.

On December 20 the Sun is at about 28° Sagittarius, between 26° and 0° Sagittarius depending on your birth year, time and place. Your Sun sign is one placement of dozens: your Moon, your rising sign and every planet's position at the moment you were born make the whole picture.

Last updated October 5, 2026

Your chart

Your Sun sign is the trailer

See your whole chart — Moon, rising, and what the sky is doing over it today.

Free to look, no account needed. We compute your chart and don’t store it on our servers.

The sky on your birthday

The Sun on December 20

Sun position
26°–0° Sagittarius
Every position a December 20 birth can have, 1925 to 2025, any time zone. A handful of December 20 births, in edge years and time zones, have the Sun in Capricorn instead.
Decan
Third decan of Sagittarius
The third decan of Sagittarius (20°–30°), which the modern decan system pairs with Leo.
Sagittarius season
November 23 – December 21
The usual dates for births 1925 to 2025. The first and last days can fall either side.
Day of the year
354
Day 355 in a leap year.

Your Sun

What Sagittarius carries

Sun in Sagittarius

The Sun is your center of gravity — the thing you keep returning to. Read what Sagittarius actually means, then go past it: your chart has a Moon, a rising sign, and a live sky moving over it right now.

Read Sun in Sagittarius →

Nearby

Birthdays either side

Common questions

December 20 birthdays, answered

What zodiac sign is December 20?

Sagittarius. For births from 1925 to 2025, the Sun on December 20 is between 26° and 0° Sagittarius. A handful of December 20 births, in edge years and time zones, have the Sun in Capricorn instead.

What decan is December 20?

The third decan of Sagittarius (20°–30°), which the modern decan system pairs with Leo.

What day of the year is December 20?

Day 354, or day 355 in a leap year.

Your turn

Your Sun sign is the trailer

See your whole chart — Moon, rising, and what the sky is doing over it today.

Free to look, no account needed. We compute your chart and don’t store it on our servers.