Chhath is also called ‘Suryasasthi’ as it observed after the six days of Diwali, the festival of light. Chhath takes place during 6th day (Shasthi) lunar fortnight of Kartik month. lasts for four days. There is also a "Chaiti Chhath" just after Holi during Chaitra Navratri in the month of Chaitra (March last to mid April).
In 2012, the festivity for Chhath puja will begin from November 17th and last till November 20th.
| 1st Day||Nahai Khai|| November, 17th|
| 2nd Day||Kharna/Lohanda|| November, 18th|
| 3rd Day||Chhat Sandhya Argh|| November, 19th|
| 4th Day||Chhath Suryodaya Argh|| November, 20th|
|Paaran|| November, 20th|