Sunday, observed in most of Christianity as a day of rest and worship.
A meeting of witches. (Also called a witches' Sabbath, Shabbat, sabbat, or black Sabbath.)
uposatha day
Saturday, observed in Judaism and some Christian denominations as a day of rest and worship.
Among the ancient Jews and Hebrews, the seventh year, when the land was left fallow.
The first day of the week in many religious traditions, and the seventh day of the week in systems using the ISO 8601 standard; the Christian Sabbath; the Lord's Day; it follows Saturday and precedes Monday.
A comic strip published in a Sunday newspaper.
A newspaper published on Sunday.
On Sundays.
To spend Sunday (at a certain place, with a certain person or people, etc.).