Periyalwar Thiru Nakshatram is observed in Midhuna Masam on Swathi Nakshatram (Chothi Nakshatra).
It is also known as Periyalwar Janma Nakshatrotsavam (Periyalwar Thiruvaradhana).
In 2014, Periyalwar Thiru Nakshatram date is 7 July 2014, Monday.
It coincides with ‘Aani Masam’ of Tamil calendar, ‘Jyeshta Masam / Ashada Masam’ in Telugu and Kannada calendars.