Vedic astrology, known in Sanskrit as Jyotisha — often translated as “the science of light” — is a traditional system of interpretation that developed in the Indian subcontinent over many centuries. It is closely associated with the broader body of Vedic literature and was historically used for calendars, festivals, and the timing of rituals.
One of the most noticeable differences from Western astrology is the zodiac it uses. Jyotisha generally uses the sidereal zodiac, which is aligned with the fixed stars, while most Western astrology uses the tropical zodiac, aligned with the seasons. Because of a slow wobble of Earth's axis, the two zodiacs are currently offset by roughly 24 degrees — which is why your “sign” may differ between the two systems.
Jyotisha also gives special importance to the Moon and to the 27 nakshatras, or lunar mansions, and uses planetary period systems called dashas to describe how themes are traditionally said to unfold over time.
It is worth holding this tradition with perspective: astrology is a cultural and interpretive framework, not an established science. Many people find it meaningful as a language for reflection. Approached that way, it can be a starting point for thoughtful questions about yourself rather than a set of fixed predictions.