How it feels from the inside
A Virgo Sun can feel, from the inside, like a running commentary of small improvements. You walk into a room and notice the crooked frame; you read a message and see the sentence that could be clearer. This is rarely fussiness for its own sake; it comes from real pleasure in things fitting together. Mercury keeps the mind busy as well, turning a problem over long after others have let it go.
Purpose tends to come through service in the plain sense: being the person who knows how things work and can be relied on to make them work. A day in which you solved a practical problem often feels better spent than a day of praise. You may be modest about your abilities in public and privately exacting about them, measuring yourself against a standard nobody else has seen.
How it shows to others, in love and at work
Others tend to meet a Virgo Sun as capable, observant and understated. It is often the friend who arrives with exactly what was needed, reads the small print, and remembers how you take your coffee. Its humour is frequently dry and exact, built on noticing.
In love this Sun shows care through attention and effort more than through declarations. It fixes the shelf, plans the trip down to the train times, remembers the detail you mentioned once. It can be shy of grand romantic gestures and slow to say what it feels, and its suggestions for improvement are usually meant as love, even when they land as criticism. What it needs from a partner is appreciation for the small things, and to hear now and then that it does not have to earn its place.
At work the Sun in Virgo tends to thrive where precision matters and there is a real problem to solve: editing, organising, analysing, building, repairing, any craft with standards. It is often the person who makes a team's work reliable. It struggles with vague instructions, with sloppiness it is not allowed to fix, and with calling something finished while a flaw remains.
Where it tends to struggle, and the strength inside that
The trouble, when it comes, is discernment with no off switch. The eye that finds the flaw in a task also turns inward, and a Virgo Sun can be its own harshest critic. It may worry over details no one else will notice, take on too much because it trusts its own work more than anyone else's, and find it harder to receive help than to give it. Mutable earth can scatter itself across many small duties and lose sight of the larger aim.
The same exactness is also what others come to depend on. This Sun makes things better in ways that last: the process that still runs smoothly years later, the explanation that finally makes sense. Its honesty about what is not working saves others from larger trouble. Its modesty is usually genuine, and its care is the kind that turns up in person. When a Virgo Sun learns that good enough is sometimes the right standard, its skill becomes generous rather than tense.
Compared with other Suns, and with the Moon in Virgo
The opposite sign, the Sun in Pisces, lets boundaries soften and finds itself through imagination and compassion; Virgo draws the lines, sorts and defines. Between them they show two kinds of care, one that dissolves distinctions and one that makes them. Among the earth signs, the Sun in Taurus builds security by keeping and enjoying what is steady, and the Sun in Capricorn builds structures and climbs towards long-term aims. Virgo is the earth sign that refines: it takes what exists and makes it work better.
A Virgo Sun is also distinct from the Moon in Virgo. The Moon there calms itself by putting things in order; the Sun there builds an identity around competence and contribution. The rest of the chart shapes how visible this is. A fiery Moon or rising sign can hide a Virgo Sun's care for detail behind a bolder manner, until you see how carefully that person works.
Virgo dates, and birthdays on the edge
Virgo begins between 22 and 24 August and ends between 22 and 24 September, depending on the year; the Sun spends about 31 days in the sign. Both edges drift because our calendar and the Sun's yearly cycle keep slightly different time. The dates are in universal time, and a local clock can move the change onto the previous or the next date.
Someone born on 23 August may be a Leo or a Virgo depending on the year, and if the Sun changed sign on your birthday, only the hour settles it; the place of birth counts too, since it fixes the time zone. People sometimes call such birthdays a cusp, but no blended sign exists: at the moment you were born, the Sun was wholly in one sign. The free big three calculator works out which from your birth details.