The Tamil calendar, also known as the Tamil Panchangam, is a traditional calendar used in the Tamil-speaking regions of India, Sri Lanka, and Malaysia. It follows a 12-month solar cycle and is based on the position of the sun relative to the constellations.

The Tamil calendar is used for both religious and cultural purposes and includes various festivals, auspicious dates, and holidays that are important to the Tamil-speaking community. Some of the major festivals celebrated in Tamil culture, such as Pongal, Tamil New Year, and Navaratri, are based on the Tamil calendar.

The Tamil calendar also includes information on tithis (lunar days), nakshatras (star constellations), yogas (planetary combinations), and karanas (half-tithis), which are important for determining auspicious times for various activities and events, such as weddings, housewarming ceremonies, and other rituals.

Today, the Tamil calendar is available in both print and digital formats, and several online resources offer free downloads of Tamil calendars. These calendars often include detailed information on auspicious dates, timings, and events specific to the Tamil community, making them a useful resource for people following Tamil traditions and culture.