The New Encyclopædia Britannica sheds further light on the subject: “The traditional customs connected with Christmas have developed from several sources as a result of the coincidence of the celebration of the birth of Christ with the pagan agricultural and solar observances at midwinter.
The New Encyclopædia Britannica valgustab seda küsimust lähemalt: „Jõuludega seotud põlised tavad arenesid välja mitmetest allikatest Kristuse sünni ja paganlike kesktalviste maaviljelus - ja päikesepühade pühitsemise kokkusattumise tulemusena.