https://www.humanreligions.info/tags/birth_of_jesus.html
Main page:
The Birth of Jesus and the Christmas Story: Pagan and UnhistoricalHuman Truth Foundation pages (4):
When Was Jesus Born? What Year, and Which Day?, in the following sections:
Christians Against Christmas: 3. What Day Was Jesus Born?
Jesus Did Not Exist: 1.3. There is No Evidence for the Story of the Birth of Jesus
International Date Format (ISO 8601) and Time Measurements: 4. What Year Was Jesus Christ Born?