Remember the Sabbath Day

Q57 Which is the fourth commandment?
The fourth commandment is, Remember the sabbath-day, to keep it holy. Six days shalt thou labour, and do all thy work: but the seventh is the sabbath of the Lord thy God: in it thou shalt not do any work, thou, nor thy son, nor thy daughter, they man-servant, nor thy maid-servant, nor thy cattle, nor thy stranger that is within thy gates: for in six days the Lord made heaven and earth, the sea, and all that in them is, and rested the seventh day: wherefore the Lord blessed the sabbath-day and hallowed it.

Q58 What is required in the fourth commandment?
The fourth commandment requireth the keeping holy to God such set times as he hath appointed in his word; expressly one whole day in seven, to be a holy sabbath to himself.