Yajnopavit (Upanayana / Janeu) — 10th of 16 sanskaras. Entry into Brahmacharya ashrama. Sacred-thread ceremony at age 7-12.
Janeu = 3 threads (Brahma-Vishnu-Shiva), 96-angul long. Left-shoulder to right-waist. Lifetime wear.
✦ Auspicious Time
Age: Brahmin 7-8, Kshatriya 11-12, Vaishya 13-14. Modern: 8-12 acceptable.
Months: Magh, Phalgun, Chaitra, Vaishakh, Jyeshtha, Margashirsh.
Best day: Akshay Tritiya (20 April 2026) — supreme.
📚Sources & References
Content in this article is verified against the following classical and modern authoritative sources. Readers may independently verify against the original sources.
- ▪Surya Siddhanta — classical Sanskrit astronomical text (~5th century CE)
- ▪Brihat Parashara Hora Shastra — foundational text on Vedic astrology by Maharishi Parashara
- ▪Muhurta Chintamani by Ram Daivajna (16th century) — standard reference for muhurat selection
- ▪Astronomical Algorithms by Jean Meeus (Willmann-Bell, 1998) — basis for all astronomical computations on this site
- ▪Lahiri Ayanamsa — standard sidereal reference adopted by the Indian Calendar Reform Committee (1955)
✦ Frequently Asked Questions
When to change janeu?▼
Every 4 months (mandatory on Shravani Purnima). Immediate if torn.
🔗Related Topics
Note: This content is published for educational and cultural reference. For personal religious or astrological decisions, please consult a qualified pandit or jyotishi.