Shiva Purana
चतुर्विशद्दिनं शेषं जीवितं च न संशयः ॥ प्राणवाहा यदा वामे चतुर्द्दशदिनानि तु ॥ ६० ॥
There is no doubt that he has twenty-four days left to live When the life-force is on the left for fourteen days.
english translation
caturvizaddinaM zeSaM jIvitaM ca na saMzayaH ॥ prANavAhA yadA vAme caturddazadinAni tu ॥ 60 ॥
hk transliteration by Sanscript