day

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Related to solar day: mean solar day, Apparent solar day

day

(Morning), noun broad daylight, daylight, daylight hours, daytime, full day, full sun, light of day, sunlight hours

day

(24 Hours), noun date, during a 24-hour cycle, peeiod from dawn to dark, solar day, time between sunrise and sunset, twenty-four hours
Associated concepts: calendar day, day certain, day fixed for trial, day in court, day of trial, day rule, day writ, grace day, judicial day, natural day, work day
See also: date

day

24 hours, from midnight to midnight. See TIME OF DAY.

DAY. A division of time. It is natural, and then it consists of twenty-four hours, or the space of time which elapses while the earth makes a complete revolution on its axis; or artificial, which contains the time, from the rising until the setting of the sun, and a short time before rising and after setting. Vide Night; and Co. Lit. 135, a.
     2. Days are sometimes calculated exclusively, as when an act required that an appeal should be made within twenty days after a decision. 3 Penna. 200; 3 B. & A. 581; 15 Serg. & Rawle, 43. In general, if a thing is to be done within such a time after such a fact, the day of the fact shall be taken inclusively. Hob. 139; Doug. 463; 3 T. R. 623; Com. Dig. Temps, A; 3 East, 407.
     3. The law, generally, rejects fractions of days, but in some cases it takes notice of such parts. 2 B. & A. 586. Vide Date.
     4. By the custom of some places, the word day's is understood to be working days, and not including Sundays. 3 Espin. N. P. C. 121. Vide, generally, 2 Chit. Bl. 141, note 3; 1 Chit. Pr. 774, 775; 3 Chit. Pr. 110; Lill. Reg. h. t; 1 Rop. Leg. 518; 15 Vin. Ab. 554; Dig. 33, 1, 2; Dig. 50, 16, 2, 1; Id. 2, 12, 8; and articles Hour; Month; Year.

References in periodicals archive ?
Austin Solar Day offers an unparalleled opportunity for our community to learn about solar energy from the people who know it best.
These are the solar day (1440 min), the stellar day (1436 min), the calendar year (525 600 min), the stellar year (525 969 min), the lunar day (1490 min), the lunar month (registered as the "near-27-day period"), and the period of the lunar evection (45 809 min).
Since 1820, the mean solar day has increased by about 2.
Atomic clocks, in which an atom takes on the role of a pendulum, came into use a few decades ago as the ultimate in time-keeping accuracy, replacing astronomical observations of the mean solar day as the definition of the second.
To view a clip of Jim Petersen describing PetersenDean's Annual Solar Day, click on the link below and select Solar Day.
A passive solar clerestory in the "heart" of the home provides cool solar day lighting and natural ventilation, thanks to three Energy Star ceiling fans and an Andersen[R]-automated awning window system
Activities for the public will include Family Solar Day on October 12, a public opening of the Solar Power International expo floor on the evening of October 15 and the Tour of Solar Homes on October 18.
Activities for the public will include Family Solar Day on October 12, a public opening of the Solar Power 2008 exhibit hall on the evening of October 15, and the Tour of Solar Homes on October 18.
The Center for Sustainable Energy, Davis Energy Group and several solar energy companies who set up booths with their products at the Solar Day Event in support of The Solar Water and Heating Efficiency Act (AB 1470 - Huffman) authored by Assemblymember Jared Huffman.
Until 1960, the definition of a second was based on solar time -- the spin rate of the Earth during a solar day.
There are 300 solar days in the year in Egypt, which is a wealth that is not exploited because of the high cost of solar power generation" said Helal.