Son in Law day is observed on the sixth day during the Shukla Paksha (Waxing Phase of moon) in the month of Jaishto (May – June) in Bengal . In 2024, the date of Jamai Sasthi is June 12. Sons-in-law are invited and honored on the day by the in-laws and is a social custom in Bengal . Mother-in-laws cook special dishes especially Hilsa fish on the day for the sons-in-law. The son-in-law is traditionally welcomed to the house on the day and a yellow thread is tied on the wrist. He is then given gifts and in return he gifts the mother-in-law. Then a sumptuous dish is served which mainly includes vegetarian and fish dishes. The day is popularly known as Jamai Sashti. Jamai means son-in-law and Sashti means the sixth day of a fortnight.