1 Enoch 78:11

ኵሎ፡ ዘመነ፡ ዘተሐውር፡ ወርኅ፡ ብርሃነ፡ ዚኣሃ፡ ትወዲ፡ በቅድመ፡ ፀሓይ፡ ወእስከ፡ ዐሥር፡ ወኀምስ፡ መዋዕል፡ ይትፌጸም፡ ብርሃና፡ ውስተ፡ ሰማይ፡ ወሶበ፡ ይውዒ፡ ኵሉ፡ ይትፌጸም፡ ብርሃና፡ ውስተ፡ ሰማይ።

During all the period during which the moon is growing in her light, she is transferring it to herself when opposite to the sun during fourteen days [her light is accomplished in the heaven], and when she is illumined throughout, her light is accomplished full in the heaven.