Tithi, sankranti, the new year by many names, eclipses, muhurta, and seasonal vrats. The Hindu calendar as a chronobiological instrument tuned to sun, moon, and nakshatras.
Lessons in this chapter
The Tithi That Owns the Day — Why the Hindu day is owned not by the date but by the lunar phase, and how Ekadashi, Pournami, and Amavasya engineered a behavioural calendar two and a half thousand years before intermittent fasting found a market
The Sun Crosses Over — Sankranti, Uttarayana, and the $30 Million Solstice Tourism Industry the Druids Did Not Build First
The New Year Has Many Names — Ugadi, Vishu, Gudi Padwa, Puthandu, and Bihu: why the dharmic year begins five times across the subcontinent and why each beginning is astronomically exact
When the Sun and Moon Are Eaten — Eclipse rituals, Rahu Kalam avoidance, and Abhijit muhurta: how a fifth-century Indian astronomer who could mathematically predict eclipses to the minute kept fasting, kept silence, and stayed indoors when they happened, and how the same behavioural protocol now sells as April 2024's eclipse manifestation kits at thirty-five dollars apiece
The Day Is Chosen, Not Found — Muhurta, the Panchanga, and the $36 Million Astrology App That Does Not Know What a Nakshatra Is
Seasonal Vrats — Shravan, Kartik, Margashirsha, and Magh: how Hindu civilisation engineered four seasonal disciplines to align the body, the kitchen, and the calendar with the changing year