https://www.learnreligions.com/why-is-christmas-on-december-25-700439

https://www.patheos.com/blogs/davearmstrong/2017/12/december-25th-birth-jesus-interesting-considerations.html

https://talesoftimesforgotten.com/2019/12/08/just-how-pagan-is-christmas-really/

https://talesoftimesforgotten.com/2018/12/05/the-origins-of-the-christmas-tree/

https://www.thegospelcoalition.org/reviews/great-christ-comet-revealing-star-bethlehem/