Sabbath worship as a communal event does not feature in the Hebrew Bible. In the context of the first century CE, according to Philo and Josephus, the sabbath gatherings took place only for the purpose of studying the law, and not for the liturgical recital of psalms or prayer. Classical authors depict Jews spending the sabbath at home. Jewish inscriptions provide no evidence of sabbath-worship in prayer-houses (proseuchai), while the Mishnah prescribes no special communal sabbath activities.
The usual picture of Jews going on the sabbath to the synagogue to worship thus appears to...