Arthashastra
पत्त्य् अश्व रथ द्विपाः सूर्य उदये बहिः संधि दिवस वर्जं शिल्प योग्याः कुर्युः ॥
Footmen, horses, chariots, and elephants shall be given necessary training in the art of war at sunrise, on all days but those of conjunction (of planets).
english translation
patty azva ratha dvipAH sUrya udaye bahiH saMdhi divasa varjaM zilpa yogyAH kuryuH ॥
hk transliteration by Sanscript