Jaffna's calendar is defined by vibrant, large-scale religious and cultural festivals.
- **Nallur Festival**: Held in August/September, this 25-day Hindu festival transforms the city. It features massive chariot processions, traditional drumming, and devotees performing acts of penance, drawing hundreds of thousands of attendees. - **Thai Pongal**: In January, this Hindu harvest festival is celebrated across the district with the boiling of the first rice of the season and expressions of gratitude to the sun and farm animals. - **Tamil New Year (Puthandu)**: Celebrated in mid-April with traditional games, family gatherings, and religious observances.
