Observed on the day Sun enters sidereal sign 10 of 12.
Maha punya kaal is the 8 hours from the solar transit; punya kaal extends to 16 hours. Observances are most auspicious within these windows.
Thai Pongal is one of the festivals observed in the Hindu calendar. A detailed account of its mythology, significance, and rituals is being prepared.
Computed for Chapar (Asia/Kolkata) using local sunrise, sunset and astronomical positions.
Other observances and vrats falling in January 2027, with dates computed for Chapar.
A more detailed account of Thai Pongal — its mythology, regional variations, and rituals — is being prepared.