Panguni Uthiram is a much talked about festival of many temples throughout South India. Devotees flock to temples nearby and some of the famous temples which assumes a lot of importance during this festival is Perur-near Coimbatore, Palani, Kapaleeswarar-Mylapore, Vadapalani Murugan temple, to name a few. The festival falls during March-April. Panguni is special because of the coming together of the star Uthiram and Pournami.
Celestial weddings
Says Historian Chithra Madhavan: It is believed that the wedding of Rama and Sita was celebrated on Panguni Uthiram. So divine marriages are celebrated on this day. As an annual event all temples take their utsava murthis to the kalyana mandapam of the temple and perform the marriage of the presiding God and Goddess there. For instance, the Thirukalyanam of Siva-Parvati, Lord Subramanya, Vishnu-Lakshmi, Rama-Sita is celebrated in a grand manner in all temples.
Originally written for The Hindu, read more at https://www.thehindu.com/news/cities/chennai/significance-of-panguni-uthiram/article3449280.ece