1 Enoch 74:2

ወኵሎ፡ አርአየኒ፡ ኡርኤል፡ መልአክ፡ ቅዱስ፡ ዘውእቱ፡ መራሒሆሙ፡ ለኵሎሙ፡ ወምንባሪሆሙ፡ ጸሐፍኩ፡ በከመ፡ አርአየኒ፡ ወጸሐፍኩ፡ አውራኂሆሙ፡ በከመ፡ ሀለዉ፡ ወርእየተ፡ ብርሃኖሙ፡ እስከ፡ ተፈጸመ፡ ዐሠርቱ፡ ወኀምስቱ፡ መዋዕል።

And all these Uriel, the holy angel who is the leader of them all, showed to me, and their positions, and I wrote down their positions as he showed them to me, and I wrote down their months as they were, and the appearance of their lights till fifteen days were accomplished.