यद्‌ यत्‌ कामयते कामं साध्यासाध्ये महीतले॥ २० ॥ Baglamukhi Puja Usually starts off on Friday, Tuesday or in navratri time period and might go on till 3-four days , which will depend upon ,how much recitation of mantras had to be done in doing Baglamukhi shanti yagya . Mata Baglamukhi https://www.youtube.com/watch?v=5VeSyP9JRw0