Poshi Dasham (Posh Dashami) in 2025 falls in the Magshar month (Posh). It is observed on the Dashami (the tenth day) of Magshar Vad. In 2025, the commonly cited date for this Dashami is December 14, 2025 (Vad Dasham). Some regional Panchangs may show a one-day variation depending on local lunar sightings. In short: Magshar/Posh Dakshami, around December 14, 2025, with possible local date adjustments.