Book of Enoch (1 Enoch) 82:15
In the beginning of the year Melkejâl rises first and rules, who is named †Tam’âinî and sun,† and all the days of his dominion whilst he bears rule are ninety-one days.
Background and history of Book of Enoch (1 Enoch), and issues with this book.
R. H. Charles, The Book of Enoch (London: SPCK, 1917), public domain. The verse text is the English Wikisource transcription of that translation. Charles’s editorial signs are kept. He rearranges some verses in chapters 5, 39, 90, 91, and 106, so those chapters are not a straight 1, 2, 3 sequence.