Importance of Shravan Month is glorified in many scriptures as the most holy month. Devotees observe austerities, fasts and prayers in this holy month of Shravan. Many Hindus will fast every Monday to the Lord Shiva and/or every Tuesday to the Goddess Parvati. Fasting on Tuesdays of this month is known locally as "Mangala Gauri Vrat". Shravana is considered to be a holy month in the Hindu calendar due to the many festivals that are celebrated during this time.