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18 And to rule over the day and over the night, and to divide the light from the darkness: and God saw that it was good.
To call someone or summon someone in the Bible represents a desire for conjunction between higher and lower states of life.
11 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.