Shiva Purana
चतुर्विंशद्दिनान्यत्र निश्चयेनावधारय ॥ प्राणवाहो यदा देवि त्रयोविंशद्दिनावधिः ॥ ६६ ॥
Understand with certainty that there are twenty-four days left. When the life-force is carried, O goddess, for twenty-three days.
english translation
caturviMzaddinAnyatra nizcayenAvadhAraya ॥ prANavAho yadA devi trayoviMzaddinAvadhiH ॥ 66 ॥
hk transliteration by Sanscript