at the going down of the sun there was no darkness; and the people began to be astonished because there was no darkness when the night came
(Book of Mormon | 3 Nephi 1:15)

there was no darkness in all that night, but it was as light as though it was mid–day. And it came to pass that the sun did rise in the morning again, according to its proper order; and they knew that it was the day that the Lord should be born, because of the sign which had been given
(Book of Mormon | 3 Nephi 1:19)