Thiruvathirai 2025. On this day, many devotees observe a fast. Tamil calendar for the tamil aadi month of sadharana year.

Arudra nakshatram, which is also known as thiruvaathirai nakshatram, during maargazhi masam is considered highly auspicious. According to tamil calendar, 2025 tamil new year or puthandu is on monday, april 14, 2025.