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 2019 dates – April 9, April 10, April 11 and April 12.
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.
Nahai Khai date is April 9, Kharna is April 10, Chaiti Chhath is April 11 (Sandhya Argh), and Parna Chhath is April 12 (Usha Arghy) and Paran on April 12.
Chaiti Chhath 2018 dates – March 20, March 21, March 22 & March 23