Genesis 1:5 God called the light day, and the darkness He called night. And there was evening and there was morning, one day.

Genesis 50:3 Now forty days were required for it, for such is the period required for embalming. And the Egyptians wept for him seventy days.

Genesis 50:10 When they came to the threshing floor of Atad, which is beyond the Jordan, they lamented there with a very great and sorrowful lamentation; and he observed seven days mourning for his father.

Deuteronomy 34:8 So the sons of Israel wept for Moses in the plains of Moab thirty days; then the days of weeping and mourning for Moses came to an end. (NASB ©1995)