Today, 14 April 2012 is Pohela Boishakh (Bengali New Year, Naba Barsha 1419) in Bengali calendar. The first day of Boishakh month marks the beginning of New Year as per Bengali calendar (Bengali Panjika). Transition of Sun from Meena Rasi to Mesha Rasi (Mesha Sankranti) heralds the Naba Barsha in Bengal and some parts of Bangladesh.
Mesha Sankranti also marks the beginning of Oriya New Year. It is celebrated as Maha Vishuba Sankranti (Pana Sankranti). Assamese New Year is celebrated as Rongali Bihu or Bohag Bihu.