expression, noun
Christian term referring to Sunday as the day of worship and rest, or more broadly to the day of the Lord's return. In Jewish context, it can refer to the Sabbath (Saturday).
クリスチャンは主の日に教会に集まる。
Christians gather at church on the Lord's Day.
主の日は安息日として守られている。
The Lord's Day is observed as a day of rest.