Nagaur Cattle fair is held for four days in the month of Magha of Hindu calendar, which usually falls in January or February. The fair starts on Saptmi of Magh Shukla and ends on 10th day of same.
In 2010: 22-25 January, 2010
In 2011: 10-13 February, 2011
In 2012: 30 January to 03 February, 2012