1 Enoch 73:4

ወከመ፡ ዝ፡ ይሠርቅ፡ ወርእሱ፡ ዘመንገለ፡ ጽባሕ፡ ይወፅእ፡ ሠላሳ፡ በሠላሳ፡ ጽባሕ፡ ወበይእቲ፡ ዕለት፡ ያስተርኢ፡ ወይከውን፡ ለክሙ፡ ርእሰ፡ ወርኅ፡ ሠላሳ፡ ጽባሐ፡ ምስለ፡ ፀሓይ፡ በኆኅት፡ እንተ፡ ይወፅእ፡ ፀሓይ።

And thus she rises. And her first phase in the east comes forth on the thirtieth morning: and on that day she becomes visible, and constitutes for you the first phase of the moon on the thirtieth day together with the sun in the portal where the sun rises.