Shiva Purana
कृष्णाष्टम्यां नवम्यां वामायां वा पंचदिक्तिथौ ॥ पूजयेज्जगतां धात्रीं गंधपुष्पैर्विशेषतः ॥ ४६ ॥
On the fifth, eighth, ninth and tenth days of the dark lunar half and on new moon days the devotee shall worship the mother of the worlds with fragrant flowers.
english translation
kRSNASTamyAM navamyAM vAmAyAM vA paMcadiktithau ॥ pUjayejjagatAM dhAtrIM gaMdhapuSpairvizeSataH ॥ 46 ॥
hk transliteration by Sanscript