Celebrated April 14 each year. Tamil New Year Sinhalese New Year, generally known as Aluth Avurudda in Sri Lanka, is the new year of the Sinhalese people in Sri Lanka. It is a major anniversary celebrated by not only the Sinhalese people but by most Sri Lankans. The timing of the Sinhala/Tamil New Year coincides with the new year celebrations of many traditional calendars of South and South East Asia. It is a public holiday in Sri Lanka.