If August 31 is your birthday, the Sun was in Virgo on the day you were born — August 23 – September 22. That places you in the third decan of Virgo, the ten-day stretch ruled by Venus, and it gives your date the birthday number 4.
Virgo (August 23 – September 22) is a earth sign, mutable in mode, ruled by Mercury. Its keywords are analytical, helpful, precise, modest. Read the full Virgo sign profile for the deep version.
The third decan of Virgo is governed by Venus. That planet does not replace Mercury; it tints it. Practically it means your analytical streak arrives with a venus-flavoured delivery.
31 reduces to 4 — the Builder, the number of structure and follow-through. You turn vague plans into something that stands up. The shadow side is that you can confuse rigidity with reliability. Read more about number 4 in numerology.
Your core temperament is earth — expressive, responsive, and hard to fake. Precision, Analytical mind, Reliability are your natural settings; over-critical is what appears when the pressure stays on too long.
So when someone asks what a August 31 birthday means, the honest answer has three parts: Virgo for the temperament, Venus for the decan, and 4 for the way you handle decisions.
In love you are precise and modest, and the Venus-ruled decan makes you slower to commit and harder to shake once you do. Virgo shows love through acts of service and quiet devotion. They may not be the most verbally romantic sign, but they will remember every detail about you. They need a partner who accepts their analytical heart. Healthy friction tends to come from Sagittarius.
Virgo is the master of detail and improvement: medicine, engineering, editing, data, quality control, nutrition, and administration. They make systems better everywhere they go. With 4 as your birthday number, structure and follow-through shapes how you work: You turn vague plans into something that stands up. The risk is you can confuse rigidity with reliability. Teams get the most from you when the goal is visible and the method is yours to choose.
Virgo is a meticulous budgeter and a patient saver. They rarely splurge and always have a plan. Their trap is over-optimizing small expenses while ignoring bigger opportunities.
Virgo governs the digestive system and tends to worry their health away. Gut-friendly eating, routines, and stress management matter most. Their perfectionism is their biggest health risk. A August birthday also means your energy tends to dip in the opposite season, so plan a lighter load there in advance.
August 31 falls in Virgo, which runs August 23 – September 22. It sits in the third decan of the sign, sub-ruled by Venus.
Your birthday number is 4, the Builder — associated with structure and follow-through. It comes from reducing the day number 31 to a single digit.
As a Virgo, your easiest matches are Taurus and Capricorn. Cancer and Scorpio also work well, and the pairing that needs the most patience is Sagittarius.
No. The Sun sign is one layer. Your decan (Venus), your day number (4), your Moon sign and your Rising sign all change how the same Virgo energy shows up in practice.
Free and instant. See what today holds for Virgo.
Read Virgo Daily Horoscope →