Manusmriti

siva.sh/manusmriti/1/70

इतरेषु ससन्ध्येषु ससन्ध्यांशेषु च त्रिषु । एकापायेन वर्तन्ते सहस्राणि शतानि च ॥ ७० ॥

sanskrit

In the other three ages with their twilights preceding and following, the thousands and hundreds are diminished by one (in each)

english translation

itareSu sasandhyeSu sasandhyAMzeSu ca triSu | ekApAyena vartante sahasrANi zatAni ca || 70 ||

hk transliteration by Sanscript