Birthdays
September 4 Birthday: Personality, Birth Card and Numbers
People born on September 4 have the Seven of Diamonds as their birth card: as a Seven of Diamonds, they look for the truth beneath things, and trust it only once you have tested it yourself. Their Sun is in Virgo in the tropical zodiac and in Leo in the sidereal zodiac, in Human Design Gate 64, Before Completion, and their birthday number is 4.
| Birth card | Seven of Diamonds |
|---|---|
| Sun sign (tropical) | Virgo |
| Sun sign (sidereal) | Leo |
| Human Design Sun gate | Gate 64, Before Completion |
| Gene Key | 64: Confusion → Imagination → Illumination |
| Birthday number | 4 |
| Karma cards | Nine of Hearts (both) |
Find your birth card, free: Your birth card and planetary ruling card from your birth date.
Discover your Birth Card: One card out of fifty-two, decided by the day you were born. The shortest accurate description of you that exists.
The birth card for September 4 is the Seven of Diamonds
Diamonds is the suit of money and values, so your deepest lessons arrive through what you earn, spend and value, including what you believe you are worth.
As a Seven, you look for the truth beneath things, and trust it only once you have tested it yourself. The card dares you to trust what you have already learned and keep going when it is hard.
At work you do best with room to think, study and check things for yourself, because being told is not the same as knowing.
In love you need a partner you can trust and time alone to find your footing, and saying so before you withdraw is a kindness.
The Sun is in Virgo, or Leo in the sidereal zodiac
The tropical zodiac follows the seasons; the sidereal zodiac follows the constellations, which have drifted about 24 degrees since the two were aligned. So on September 4 the Sun is in Virgo by one reckoning and Leo by the other.
Sun in Virgo: Your identity is built through refinement: improving things, noticing what others miss. The precision is a gift. Turned inward as constant correction, it edits you out of your own life.
Sun in Leo: You need to be seen for who you are, not admired but seen. Self-expression is not vanity for you; it is how you stay alive. The line it turns on is whether you are being yourself or performing yourself.
Around the change of sign, the exact day shifts by year. Your chart settles it.
The Sun is in Gate 64, Before Completion
In Human Design and Gene Keys, the Sun on September 4 is in Gate 64: your Personality Sun, and the key at the centre of your Life’s Work. Confusion and the fertile space before clarity emerges.
As Gene Key 64, it runs from the Shadow of Confusion, through the Gift of Imagination, to the Siddhi of Illumination.
Gates change every five or six days, so near the edges your Sun may sit in the gate next door. Your chart shows the line too.
Your birthday number is 4: the Builder
The birthday number is a specific talent carried in the day you arrived: the day of the month, 4.
4, The Builder: Form and foundation. Four is not dullness; it is structure, work, and the patience to make things that outlast the mood that started them.
You are here to build things that last, one honest step at a time. Steady can quietly become stuck, and the work is noticing when the plan needs to change.
Read together, these say more than any one alone
A birthday fixes your birth card, your Sun sign and your Sun gate. The year, the time and the place fill in the rest: the Life Path number, the rising sign and the whole Human Design chart. We read them together, each one a lens on you. That’s where a birthday starts sounding like a person.
Questions people ask
What is the birth card for September 4?
The Seven of Diamonds.
What zodiac sign is September 4?
Virgo in the tropical zodiac and Leo in the sidereal zodiac.
What Human Design gate is the Sun in on September 4?
Gate 64, Before Completion. Near a gate change the exact day can shift by year.
What is the birthday number for someone born on the 4th?
4.