There are diversified important traditional festivals in Assam.
Bihu is the most important and common and celebrated all over Assam.
It is the Assamese new year celebrated in April of the Gregorian calendar.
Christmas is observed with great merriment by Christians of various denominations, including Catholics and Protestants, throughout Assam.
Durga Puja, a festival introduced and popularised by Bengalis, is widely celebrated across the state.
Muslims celebrate two Eids (Eid ul-Fitr and Eid al-Adha) with much eagerness all over Assam.

Bihu is a series of three prominent festivals.
Primarily a non-religious festival celebrated to mark the seasons and the significant points of a cultivator's life over a yearly cycle.
Three Bihus, rongali or bohag, celebrated with the coming of spring and the beginning of the sowing season; kongali or kati, the barren bihu when the fields are lush but the barns are empty; and the bhogali or magh, the thanksgiving when the crops have been harvested and the barns are full.
Bihu songs and Bihu dance are associated to rongali bihu.
The day before the each bihu is known as 'uruka'.
The first day of 'rongali bihu' is called 'Goru bihu' (the bihu of the cows), when the cows are taken to the nearby rivers or ponds to be bathed with special care.
In recent times the form and nature of celebration has changed with the growth of urban centres.

Bwisagu is one of the popular seasonal festivals of the Bodos.
Bwisagu start of the new year or age.
Baisagu is a Boro word which originated from the word "Baisa" which means year or age, ang "Agu" that means starting or start.

Beshoma is a festival of Deshi people.
It is a celebration of sowing crop.
The Beshoma starts on the last day of Chaitra and goes on till the sixth of Baisakh.
With varying locations it is also called Bishma or Chait-Boishne.

Bushu Dima or simply Bushu is a major harvest festival of the Dimasa people.
This festival is celebrated during the end of January.
Officially 27 January has been declared as the day of Bushu Dima festival.
The Dimasa people celebrate their festival by playing musical instruments- khram (a type of drum), muri (a kind of huge long flute).
The people dances to the different tunes called "murithai" and each dance has got its name, the prominent being the "Baidima" There are three types of Bushu celebrated among the Dimasas Jidap, Surem and Hangsou.

Chavang Kut is a post harvesting festival of the Kuki people.
The festival is celebrated on the first day of November every year.
Hence, this particular day has been officially declared as a Restricted Holiday by the Assam government.
In the past, the celebration was primarily important in the religio-cultural sense.
The rhythmic movements of the dances in the festival were inspired by animals, agricultural techniques and showed their relationship with ecology.
Today, the celebration witnesses the shifting of stages and is revamped to suit new contexts and interpretations.
The traditional dances which form the core of the festival is now performed in out-of-village settings and are staged in a secular public sphere.
In Assam, the Kukis mainly reside in the two autonomous districts of Dima Hasao and Karbi Anglong.

Moreover, there are other important traditional festivals being celebrated every year on different occasions at different places.
Many of these are celebrated by different ethno-cultural groups (sub and sister cultures).
Some of these are:
Me-Dam-Me-Phi
Ali-Aye-Ligang
Rongker
Kherai
Garja
Bisu (Deori)
Awnkham Gwrlwi Janai
Chojun/Swarak
Deusi Bhailo ( Traditional Nepalese songs that are sung during the festival of light " Dipavali  and also called "Tihar" )
Sokk-erroi
Hacha-kekan
Hapsa Hatarnai
Porag
Bathow
Wangala
Bohuwa dance
Other few yearly celebrations are Doul Utsav of Barpeta, Brahmaputra Beach Festival, Guwahati, Kaziranga Elephant Festival, Kaziranga and Dehing Patkai Festival, Lekhapani, Karbi Youth Festival of Diphu and International Jatinga Festival, Jatinga can not be forgotten.
Few yearly Mela's like Jonbeel Mela, began in the 15th century by the Ahom Ki
There are diversified important traditional festivals in Assam. Bihu is the most important and common and celebrated all over Assam. It is the Assamese new year celebrated in April of the Gregorian calendar. Christmas is observed with great merriment by Christians of various denominations, including Catholics and Protestants, throughout Assam. Durga Puja, a festival introduced and popularised by Bengalis, is widely celebrated across the state. Muslims celebrate two Eids (Eid ul-Fitr and Eid al-Adha) with much eagerness all over Assam.
Bihu is a series of three prominent festivals. Primarily a non-religious festival celebrated to mark the seasons and the significant points of a cultivator's life over a yearly cycle. Three Bihus, rongali or bohag, celebrated with the coming of spring and the beginning of the sowing season; kongali or kati, the barren bihu when the fields are lush but the barns are empty; and the bhogali or magh, the thanksgiving when the crops have been harvested and the barns are full. Bihu songs and Bihu dance are associated to rongali bihu. The day before the each bihu is known as 'uruka'. The first day of 'rongali bihu' is called 'Goru bihu' (the bihu of the cows), when the cows are taken to the nearby rivers or ponds to be bathed with special care. In recent times the form and nature of celebration has changed with the growth of urban centres.
Bwisagu is one of the popular seasonal festivals of the Bodos. Bwisagu start of the new year or age. Baisagu is a Boro word which originated from the word "Baisa" which means year or age, ang "Agu" that means starting or start.
Beshoma is a festival of Deshi people. It is a celebration of sowing crop. The Beshoma starts on the last day of Chaitra and goes on till the sixth of Baisakh. With varying locations it is also called Bishma or Chait-Boishne.
Bushu Dima or simply Bushu is a major harvest festival of the Dimasa people. This festival is celebrated during the end of January. Officially 27 January has been declared as the day of Bushu Dima festival. The Dimasa people celebrate their festival by playing musical instruments- khram (a type of drum), muri (a kind of huge long flute). The people dances to the different tunes called "murithai" and each dance has got its name, the prominent being the "Baidima" There are three types of Bushu celebrated among the Dimasas Jidap, Surem and Hangsou.
Chavang Kut is a post harvesting festival of the Kuki people. The festival is celebrated on the first day of November every year. Hence, this particular day has been officially declared as a Restricted Holiday by the Assam government. In the past, the celebration was primarily important in the religio-cultural sense. The rhythmic movements of the dances in the festival were inspired by animals, agricultural techniques and showed their relationship with ecology. Today, the celebration witnesses the shifting of stages and is revamped to suit new contexts and interpretations. The traditional dances which form the core of the festival is now performed in out-of-village settings and are staged in a secular public sphere. In Assam, the Kukis mainly reside in the two autonomous districts of Dima Hasao and Karbi Anglong.
Moreover, there are other important traditional festivals being celebrated every year on different occasions at different places. Many of these are celebrated by different ethno-cultural groups (sub and sister cultures). Some of these are:
Me-Dam-Me-Phi
Ali-Aye-Ligang
Rongker
Kherai
Garja
Bisu (Deori)
Awnkham Gwrlwi Janai
Chojun/Swarak
Deusi Bhailo ( Traditional Nepalese songs that are sung during the festival of light " Dipavali  and also called "Tihar" )
Sokk-erroi
Hacha-kekan
Hapsa Hatarnai
Porag
Bathow
Wangala
Bohuwa dance
Other few yearly celebrations are Doul Utsav of Barpeta, Brahmaputra Beach Festival, Guwahati, Kaziranga Elephant Festival, Kaziranga and Dehing Patkai Festival, Lekhapani, Karbi Youth Festival of Diphu and International Jatinga Festival, Jatinga can not be forgotten. Few yearly Mela's like Jonbeel Mela, began in the 15th century by the Ahom Ki
Assam