Guru Dwadashi is observed on the 12th day during the waning phase of moon (Krishna Paksha) in the month of Ashwin as per traditional calendar followed in Gujarat and Maharashtra . The corresponding month in North Indian calendar is Kartik. Guru Dwadashi 2024 date is October 29. It is of great importance of many communities in western parts of India.
Popular belief is that Shri Vallabha an incarnation of Lord Dattatreya left the earth on the day.
The day is also observed as Vagh Baras and Govatsa Dwadashi in certain years depending on the period of tithi.