 The Baháʼí calendar is based upon the calendar established by the Báb.The year consists of 19 months, each having 19 days, with four or five intercalary days, to make a full solar year.The Baháʼí New Year corresponds to the traditional Iranian New Year, called Naw Rúz, and occurs on the vernal equinox, near 21 March, at the end of the month of fasting.