The movement of Sani from one rashi to another Rashi in Tamil Hindu astrology is known as Sani peyarachi. On the day thousands of devotees will be visiting Saneeswara Bhagavan temple at Tirunallar and special pujas and rituals will be held here.
You can watch live online the pujas and other ceremonies from the Tirunallar Shani Temple.
You can watch the live webcasting here – Sani PeyarchiFestival Live Online
The time of the shani transit is at 7:51 AM morning on December 21, 2011 – at this time Shani will leave Kanya Rashi (Virgo) and enter Thulam Rashi (Libra Zodiac).