Today is Ganga Dussehra, the day of avatarana of Maa Ganga. एतानि दशपापानि हर त्वं मम जाह्नवि । दशपापहरा यस्मात् तस्माद्दशहरा स्मृता ॥ O Jahnavi (Ganga), you take away these ten sins of mine. Since she destroys ten sins, she is remembered as dashahara (remover of ten [sins]).