3 Bible Verses about Days, Natural Use

Jesus answered, are there not twelve hours in the day? he that travels by day does not stumble, because he has the light of this world to see by.

night and day he was in the mountains, howling among the tombs, and hacking his flesh with flints.

but the ruler of the synagogue being highly incensed at Jesus's healing on the sabbath-day, said to the people, there are six days for work, you should come therefore for cure on those days, and not on the sabbath.