Karthigai masam (Karthikai masam) is the eighth month of the Tamil Calendar, observed in 2025 from November 17 to December 15 (29 days). Named after the Tamil star ‘Krithiga, the month is especially revered for worship of Lord Muruga, Lord Shiva, and Lord Vishnu. Karthigai Deepam, the signature festival of this period, fills homes and…