Aries · Taurus
You are not a third sign. You are one, or the other, or born on the day it changes.
In 2026 the Sun leaves Aries on April 20, 2026. Before that day, Aries. After it, Taurus. On that day, the hour decides.
Birthday
On this date the Sun changes sign. The morning is Aries. The evening is Taurus. The hour decides, and the clock here is universal time. Your city can move the day.
The other edges