Cross reference
Matthew 24:20
20 and pray ye that your flight may not be in winter, nor on a sabbath;
Exodus 16:29
29 see, because Jehovah hath given to you the sabbath, therefore He is giving to you on the sixth day bread of two days; abide ye each `in' his place, no one doth go out from his place on the seventh day.'
Acts 1:12
12 Then did they return to Jerusalem from the mount that is called of Olives, that is near Jerusalem, a sabbath's journey;