Most coastal areas on earth experience two high tides and two low tides every lunar day. what is a lunar day? our days on earth are 24-hour solar days, the time that it takes for a specific site on the earth to rotate from an exact point under the sun to the same point under the sun. a lunar day is the time it takes for a specific site on the earth to rotate from an exact point under the moon to the same point under the moon. a lunar day is 24 hours and 50 minutes. that means a lunar day is 50 minutes longer than a solar day. if high tide occurs at 8: 00 am, tuesday, in savannah, georgia, at approximately what time will the next high tide occur? a) 8: 00 am wednesday b) 8: 00 pm tuesday c) 8: 25 pm tuesday d) 8: 50 am wednesday elimin