If day is used by itself, it could mean a portion of, or a part of a day Same for the night. But when they are used together it is literally a 24-hour period Sunset to Sunset. And God said, Let there be a firmament in the midst of the waters, and let it divide the waters from the waters. And God called the firmament Heaven. And the evening and the morning were the second day.
Nature is a remarkable thing.
God s fingerprint is in all of nature. Plant life is so orderly and perfect, it s incredible. For example, some have 2 leaves attached at the same point on the stem. Some will have 3 leaves attached in the same point, while others may even have 4. 1 on the east, next on the north, next on the west, and the next on the south going around and around.