Chaithi Chhath is observed during Chaitra month just after Nav Varsh in Bihar, Jharkhand, and some other North Central regions of India. This festival is celebrated for 4 days similar to that of Chhath Puja in Kartik month.
Chaiti Chhath 2018 dates – March 20, March 21, March 22 & March 23
The first day of Chaiti Chhath is Nahakha Chhath, the second day is Kharna Chhath, the third day is main Chaiti Chhath, and the concluding day is Paran Chhath Puja.
Nahakha date is March 20, Kharna is March 21, Chaiti Chhath is March 22, and Parna Chhath is March 23.