February 4 zodiac sign
February 4 sets the Sun at around 15° Aquarius, the exact middle of the sign, where the Gemini decan sharpens a mind that wants to understand how everything connects.
Sun signAquarius
- Sun at 13°–17° Aquarius
- 2nd decan · Mercury
February 4 in profile
Halfway through, Aquarius shows its fixed air nature in plain form: steady ideals, an independent streak and an interest in how groups and systems work. The second decan colours this with Gemini, and Mercury as sub-ruler turns a February 4 Aquarius into a natural researcher. They read across subjects, follow links late into the night and hold firm views that rest on a surprising amount of homework. Saturn, the traditional ruler, gives the patience to keep studying long after the novelty fades.
Learning is a daily habit. They take online courses for fun, question the instructor on the first day and teach themselves software by breaking it. Facts are collected for use: a detail from an article about city planning turns up later in a work meeting. They lose interest in teachers who cannot explain why a rule exists, and they warm instantly to anyone who answers a question with a better question.
Independence is non-negotiable. They prefer to travel alone at least once a year, keep a separate bank account inside a relationship and dislike being asked where they are going. Offering them freedom earns loyalty faster than any favour. The difficulty is that they sometimes refuse help on principle, even when it would save a week. A good rule for them is accepting one offer of help a month and noticing that nothing breaks.
Aquarius all day
In every year from 1930 to 2040 the Sun was in Aquarius for the whole of February 4, in every time zone. This is not a cusp birthday: the nearest changes of sign fall around January 21 and February 18.
Your Moon sign depends on the year
The Sun is in the same place on February 4 every year; the Moon is not. It changes sign every two and a half days, so people who share this birthday can have any of the twelve Moon signs. Here is where it was on February 4 in recent years, from 00:00 to 23:59 UTC (an arrow means it changed sign during the day).
- 2017Taurus
- 2018Libra
- 2019Aquarius
- 2020Gemini
- 2021Scorpio
- 2022Pisces → Aries
- 2023Cancer → Leo
- 2024Scorpio → Sagittarius
- 2025Aries → Taurus
- 2026Virgo
Compatible signs for an Aquarius
Sun-sign compatibility starts from the element. Aquarius gets on most easily with its own element and with the two sextile signs, and feels the strongest pull from its opposite. For a February 4 birthday, in the Gemini decan, Gemini is a natural match. The full charts decide how a real pairing feels.
A gift for a February 4 birthday
A year of membership to a library, an archive or an online learning platform, so they can study whatever catches their interest without asking permission.
Asked about February 4
What zodiac sign is February 4?
February 4 is Aquarius in every year: the Sun is at about 13°–17° Aquarius that day, in the sign’s 2nd decan.
Is February 4 a cusp birthday?
No. The Sun is well inside Aquarius on February 4. The cusp days, when the Sun changes sign, fall around January 21 and February 18. Astrology has no blended cusp signs anyway: at any moment the Sun is in one sign.
What decan is February 4?
February 4 falls in the 2nd decan of Aquarius. In the triplicity system we use, that decan belongs to Gemini and its ruler Mercury, which colours the Aquarius Sun with a little of Gemini.
Your birthday is only the Sun
A February 4 birthday tells you where the Sun was. The Moon, the Rising sign and eight more planets each sit somewhere of their own, and they depend on the year, the hour and the place. The free calculator shows all of them.