Sitalsasthi celebrates the marriage of Hindu God Shiva and Goddess Parvati. It is observed in the state of Odisha with grand celebrations. Sitalsasthi or Sital Sasthi is observed on the Shasthi (6th day) during the Shukla Paksha in the Jyestha month of the traditional Hindu calendar. Sitalsasthi 2020 falls on May 28, Thursday.