Science / Tides and Currents / Lunar Day: The time of the rotation of the Earth with respect to the Moon, or the interval between two successive upper transits of the Moon over the meridian of a place. The mean lunar day is approximately 24.84 solar hours in length, or 1.03 5 times as great as the mean solar day.
Day Noun Synonyms: time, hour, age, period, era, epoch, date, prime, heyday, lifetime
Day Verb Synonyms: daytime, daylight, broad daylight, light of day
Science / Tides and Currents / Day: The period of rotation of the Earth. There are several kinds of days depending on whether the Sun, Moon, or other object or location is used as the reference for the rotation. See constituent day, lun MORE
Science / Tides and Currents / Lunar Time: Time based upon the rotation of the Earth relative to the Moon. See lunar day. MORE
Life Style / Holiday / National Grandparents Day: The first Sunday after Labor Day has been declared National Grandparents Day in the United States. The proclamation for the holiday was signed by President Jimmy Carter in 1978. The September date was MORE
Life Style / Holiday / New Years Day: The tradition of ringing in the new year began from the Roman God Janus, who had two faces - one for looking forward the other for looking backward. Julius Caesar, the Roman emperor, decided that the MORE
Business / Finance / Next Day Settlement: Transaction in which the contract is settled the day after the trade is executed. See: Settlement date. MORE