Why the pages all match
A sun sign covers a thirty degree arc, which is about a month of birthdays. Roughly one person in twelve shares yours, and so does everyone born within that month in any year of recorded history. A description built on that alone is describing a twelfth of the population.
That is the whole reason birthday pages sound interchangeable. They are all working from one input, the sign, and there is only so much that can be said about it before the wording starts to repeat. Anything sharper has to come from a narrower input.
The same logic explains why the descriptions grow more specific as the input narrows. A sign covers about a month, a face covers about ten days, a degree covers about a day, and the ascendant narrows to roughly two hours. Each step down cuts the group being described, and each step needs more information than the one before.
The narrower input
Taken at noon in every year from 1930 to 2035, the Sun on this date stood between about two and three and a half degrees of Cancer. Three degrees is the working number, and the entire century sits inside a band under a degree and a half wide.
The reason it holds so still is the leap year cycle. The orbital year runs about a quarter day longer than three hundred and sixty five, and the extra February day repays that debt every four years, keeping the calendar and the orbit aligned instead of letting them drift apart.
The face, which almost nobody prints
Inside every sign are three faces of ten degrees. Three degrees of Cancer falls in the first, zero to ten, which the Chaldean order assigns to Venus and the triplicity scheme assigns to the Moon. This is the layer that tells one Cancer birthday from another, and it is missing from nearly every page you will find.
Cancer itself is cardinal water with the Moon as domicile ruler, read in the tradition as protective, retentive and inclined to start things from an instinct rather than a plan. Under the triplicity scheme the Moon rules the face too, so the sign ruler and the face ruler agree here.
Faces are commonly called decans, and the thirty six of them across the zodiac are one of the oldest surviving divisions in the practice. Their origin lies in Egyptian star groups that rose at regular intervals through the night, later mapped onto ten degree segments of the signs and given planetary rulers.
What the date cannot supply
The Moon travels about thirteen degrees a day and changes sign every two and a bit days, so on this single date it may be in one sign or another depending on the hour. The rising sign is entirely out of reach without a time, since a fresh sign meets the horizon roughly every two hours.
The slow planets are the exception. Saturn, Uranus, Neptune and Pluto move gradually enough that a birth date fixes their signs, though those placements are shared with everyone born across the same stretch of years. The widget above handles the rest from your year, hour and birthplace.
Questions people ask about this
Is 24 June definitely Cancer?
Yes, at noon in every year checked between 1930 and 2035. The Sun sits about three degrees along, which puts three days between the position and the Gemini boundary.
Why does every site say the same thing about this birthday?
Because they are all working from the sign alone, which is one input shared by about a twelfth of the population. Without the degree, the face or the birth time there is nothing narrower to say.
What degree is the Sun on this date?
Near three degrees of Cancer, ranging from roughly two to three and a half across the last century. Your own figure depends on your year, hour and place of birth.
Which face of Cancer is that?
The first, covering zero to ten degrees. Venus holds it in the Chaldean order and the Moon holds it in the triplicity scheme, which also rules the sign as a whole.
Does the date tell me anything besides the Sun?
It fixes the slow moving planets, since Saturn, Uranus, Neptune and Pluto stay in a sign for years at a time. Those are shared with a whole cohort rather than personal to you.
Is a birthday reading worth anything without a time?
It is worth what it can support, which is the Sun, the face and the slow planets. Presenting it as a full portrait is where these pages usually overreach.