Jumari Dance of Bihar is similar to that of "Garba performed in Gujarat". Only married women perform it. It is a folk dance of Mithilanchal of Bihar. As many other rituals that are performed by married women, it also signifies a good omen. 

After the month of Ashvin coming in September-October Kartik comes. At this time, the sky is crystal clear, even there are no tresses of clouds. The full moon looking attractive spreads milky rays in all directions. This creates Maids in love go on dancing, singing and celebrating the turns of the season.