Apatsahayesvarar Temple is a Hindu temple devoted to Lord Shiva and is located in the village of Alangudi 38 Kms from Thiruvarur town, Tamil Nadu, India. It is also 17.5 kms away from Kumbakonam in Tiruvarur district. The Lord of this Sthalam is Swayumbhu. Since the temple is existing from ancient times, the period of this temple could not be fixed accurately
As per the Tale, Alangudi is position where God Shiva drank the dangerous poison produced during the rolling of 'paarkadal' (Sea of milk). Hence this position is identified as Alangudi (basically means 'the position where God Shiva absorbed the dangerous poison'. The Devas, while rolling the paarkadal for amrutham (nectar), were restricted by the toxic gases from the reptile Vasuki and intervened to Lord Shiva for liberation. Lord Shiva absorbed the dangerous Ala Visham (poison), thus providing increase in name of this sthalam, Alangudi and the God was acknowledged as "Aabathsagayeshwarar". Lord Ganesha is also devoted in this shrine as 'Kalangaamal kaatha Vinayagar'.
Guru is linked to fortune, advantage and lot of money. The unfavourable place in the astrology can cause skin issues, joint disease, heart relevant issues, fear & discomfort. Guru blesses his enthusiasts with child, good knowledge, valour, extended life and treat from illnesses. Devotees lights 24 ghee lights and do pradharshanam (circumambulation) of Shiva's shrine 24 times. Promotions of yellow-colored fabric, konda kadalai (chick pea) and vella mullai (a kind of Jasmine) are made to Guru here. The transportation of Guru, known as Guru Peyarchi which happens every year, is an essential event in this shrine. Thursdays being the day of Guru is very essential. Going on a fast or consuming only once (oru pozhudhu) on Thursdays is suggested. Bananas and sodium is to be prevented on these days.
The term Navagraha denotes the nine celestial bodies which are central to astrological calculations (and beliefs) (and not the nine planets as it is frequently erroneously translated). Certain planetary conflagrations give rise to strong negative effects called “Doshas”. The Navagraha Temples Puja eliminates the ill effect of these planetary movements. The duration of this puja is 1 year on every Thursday.
Unique Darshans are organized on Thursdays as well as on the times of Jupiter's transportation to next Zodiac. Mashi Maham, (month of Aquaris between 12th of Feb and 14th of March) (Mashi Mah Gurvara dharshana ). 1008 Conch Abhisheka – Event (Reethathotsavam) on the Tenth day & Laksharachana during Jupiter transportation times are celebrated. Poojas performed at night are very popular in this holy place.