Brihat Parashara Hora Shastra
होरायां नवमे सूर्यः सप्तमस्थः शनैश्चरः। एकादशे गुरुः सुक्रो मासमेकं स जीवति॥ १०॥
Only a month will be the span of one‟s life, who had Sūrya in Dharm Bhava, Mangal in Yuvati Bhava and Guru and Śukr in Labh Bhava.
english translation
horAyAM navame sUryaH saptamasthaH zanaizcaraH। ekAdaze guruH sukro mAsamekaM sa jIvati॥ 10॥
hk transliteration by Sanscript