বৈদিক জ্যোতিষ কী? সম্পূর্ণ প্রারম্ভিকের নির্দেশিকা

The Origins of Jyotisha: How Vedic Astrology Was Born

Jyotisha — literally "science of light" — stands as one of the six Vedangas, the auxiliary limbs that make the Vedas applicable to human life. Alongside Shiksha (phonetics), Kalpa (ritual), Vyakarana (grammar), Nirukta (etymology), and Chhandas (meter), Jyotisha was codified to determine auspicious timings for Vedic ceremonies. Its roots reach into the Rig Veda itself, where astronomical observations of the Sun, Moon, and Nakshatras were already systematically recorded. The foundational classical text is the Brihat Parashara Hora Shastra, attributed to the sage Parashara, which lays out the complete theoretical framework still used by practicing Jyotishis today. The most essential distinction separating Jyotisha from Western astrology is the zodiac: Vedic astrology uses the sidereal zodiac, anchored to the fixed stars as observed in the sky, while Western astrology uses the tropical zodiac, anchored to Earth's seasons. Due to the precession of the equinoxes, these two zodiacs are currently approximately 23 degrees apart — an angular gap called the Ayanamsha. This is why a person's Sun sign often differs between the two systems. Jyotisha is classified as a Vidya — a systematic, transmissible sacred knowledge — not a belief system, an oracle, or a superstition. It is a structured discipline with defined rules, testable predictions, and a continuous lineage of scholarly commentary spanning more than two thousand years.