Chaitra Sukladi is the New Year in traditional Hindu calendar based on the Vikram Samvant Hindu Lunar calendar followed in North India. In 2013, the date of Chaitra Shukladi is April 11. Vikram Samvant 2070 begins on the day. This New Year is observed on the first day of the waxing phase of the moon in the Chaitra month (March – April) in traditional calendar. In simple terms, after the Chaitra Amavasi day (no moon day).
Shukladi is one of the methods by which a lunar month is determined. Sukladi means starting from the bright half of the month or from the day after Amavasi (no moon).
Shukladi method is followed in the calendars followed in
Maharashtra, Karnataka and Andhra Pradesh.
North India also Shukladi method is used to celebrate the Vikram Samvat New Year. But here a month is calculated from Purnima to Purnima (full moon).