According to Indian Zodiac & Astrology, there are 9 grahsa (planets) which keep moving with time. It is usual the grahsa Rahu & Kethu get displaced once in every one-and-a-half years. Today (Friday, 8th January), the grahas Rahu & Kethu are displaced.
According to Astrologers, Rahu gets displaced from the house of Kanni Rasi (Virgo) to Simma Raasi (Leo). Kethu gets displaced from Meena Raasi (Pisces) to Kumba Raasi (Aquarius).
Devotees call the Lord Nageswarar Temple located in Chennai Kundrathur as Vada (North) Nageswaram. On the occasion of the displacement of grahas Rahu & Kethu today, special programmes such as Rahu Preethi Homam and Social prayers are being organised in this Vada Nageswarar Temple. Speical Aaraadhanis & Poojais are being organised at the Lord Thiruneelgandesswar Temple located in Kerugambakkam.