2010
Wednesday, 22 September 2010
In 2010 the tithi runs from 10:03 am on 21 Sep to 12:30 pm on 22 Sep; it is running at sunrise (the usual rule, called udaya tithi) on Wednesday, 22 September 2010, so that is the day of Anant Chaturdashi.
2011
Sunday, 11 September 2011
In 2011 the tithi runs from 11:43 am on 10 Sep to 1:10 pm on 11 Sep; it is running at sunrise (the usual rule, called udaya tithi) on Sunday, 11 September 2011, so that is the day of Anant Chaturdashi.
How the date is fixed
Anant Chaturdashi falls on the fourteenth day of the bright half of the lunar month Bhadrapada (Shukla Chaturdashi). The date is the day on which that tithi is running at sunrise (the usual rule, called udaya tithi).
About
Anant Chaturdashi is the fourteenth tithi of the bright half of Bhadrapada, in September, ten days after Ganesh Chaturthi. The day is the Ananta vrata of the Mahabharata, in which Vishnu as Ananta is worshipped and a fourteen-knotted thread tied on the arm. The tithi at sunrise is taken, and the puja is done in the forenoon. It is also the day of Ganesha immersion in Maharashtra and the last day of the Jain Paryushana in the Digambara tradition.
How it is observed
Worship of Ananta with the fourteen-knot thread, and processions carrying Ganesha images to the water for immersion.