Manusmriti

siva.sh/manusmriti/7/182

मार्गशीर्षे शुभे मासि यायाद् यात्रां महीपतिः । फाल्गुनं वाथ चैत्रं वा मासौ प्रति यथाबलम् ॥ १८२ ॥

sanskrit

Let the king undertake his march in the fine month Margasirsha, or towards the months of Phalguna and Kaitra, according to the (condition of his) army.

english translation

mArgazIrSe zubhe mAsi yAyAd yAtrAM mahIpatiH | phAlgunaM vAtha caitraM vA mAsau prati yathAbalam || 182 ||

hk transliteration by Sanscript