1 Enoch 78:15

ወሠለስተ፡ ወርኀ፡ ይገብር፡ ሠላሳ፡ መዋዕለ፡ ለዘመነ፡ ዚኣሁ፡ ወሠለስተ፡ ወርኀ፡ ይገብር፡ በበ፡ ዕሥራ፡ ወተሱዕ፡ መዋዕል፡ እለ፡ ቦሙ፡ ይገብር፡ ታሕጻጺተ፡ ዚኣሁ፡ በዘመን፡ ቀዳማዊ፡ ወበኆኅት፡ ቀዳማዊ፡ በመዋዕል፡ ምእት፡ ወሰብዓ፡ ወሰብዐቱ።

And three months she makes of thirty days, and at her time she makes three months of twenty-nine days each, in which she accomplishes her waning in the first period of time, and in the first portal for one hundred and seventy-seven days.