Though very less people know the idea behind either of them and is most often, all three, are considered as an holistic festival.
Rongali Bihu is considered as the New Year and is marked with the advent of seeding time.
Kati Bihu is completion of sowing and transplating of paddies
Magh Bihu marks the end of the harvesting period.
Bohag Bihu, as it is populary called, marks the onset of spring and is celebrated in the month of April. It is a joyous moment for them and is celebrated in a traditional ways, with females making Pitha and larus. Family wearing new clothers and songs been sung. This is the major festival amongst the three above mentioned and should not be missed!