Ashtami Rohini is observed as the birthday of Lord Krishna and in 2012 as per traditional Malayalam calendar followed in Kerala it is on September 8. Sri Krishna Jayanti and Janmashtami will be observed in North India on August 9 and 10, 2012. So Why is this difference - this is because the birthday of Lord Krishna is observed on the Rohini Nakshatram day in Chingam Month in Malayalam calendar in Kerala. The corresponding dates in other regions in some years varies by a day and sometimes by more than a month.
The day is of great importance at
Guruvayur Sri Krishna Temple, Ambalapuzha Sri Krishnaswami Temple, and in thousands of other Sri Krishna Temples in Kerala. Thrissur Thirvanmabadi Temple
Ashtami Rohini procession depicting scenes from the life of Lord Krishna is held all important cities, towns and villages in Kerala on the day. Special concerts, cultural programs and satsangs are also held on the day.
Ashtami Rohini in Kerala is also famous for the Uriyadi – breaking the pot hung on rope and pulley using sticks.