Falharini Kali Puja, also known as Falharini Kalika Pooja is observed on Amavasya in Jaishtho (Jaishta) month in traditional Bengali Calendar.
Falharini Kali Puja 2015 date is May 17.
Falharini Amavasi puja is solely dedicated to Goddess Kali or Kalika Devi (Devi is pronounced as Debi in Bengali).
On the day of Falharini Kali Puja, people worship Goddess Kali, some special pujas are done on this auspicious occasion. In Bengal, on this day, the temples of Goddess Kali, Durga Devi are decorated and special pujas are offered.