Vaisakha is a month of the Hindu calendar that corresponds to April/May in the Gregorian Calendar. In the Indian national calendar, Vaisakha is the second month of the year. It is the first month of the Vikram Samvat calendar, Odia calendar, Punjabi calendar, Assamese calendar (where it is called Bohag) and the Bengali calendar (where it is called Boishakh). This month lies between the second half of April And The First Half Of May.