what is a day
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Definitions &Translations A day is a unit of time. In common usage, it is an interval equal to 24 hours. It also can mean the consecutive period of time during which the Sun is above the horizon, also known as daytime. The period of time during which the Earth completes one rotation with respect to the Sun is called a solar day.
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Length of One Day The length of one (solar) day on a planet is the time from noon to noon.ur sidereal day is 23 hours and 56 minutes, which is so close to our solar day that we often fail to distinguish between the two. A sidereal day is the length of time which passes between a given fixed star in the sky crossing a given projected meridian (line of longitude).
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daily day-to-day - of or belonging to or occurring every day; daily routine; a daily paper. daily, day-after-day, day-by-day. periodic, periodical - happening or recurring at regular intervals; the periodic appearance of the seventeen-year locust.
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- The term day (yom) was in use from the earliest times, as is indicated in the story of the Creation (Genesis 1). It there doubtless denotes an indefinite period, but is marked off by evening and morning in accordance with what we know was the method of reckoning the day of 24 hours, i.e. from sunset to sunset.
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Definitions &Translations Wiktionary(0.00 / 0 votes)Rate this definition: 1  day(Noun) Any period of 24 hours. 2  day(Noun) A period from midnight to the following midnight. 3  day(Noun) Rotational period of a planet (especially earth). 4  day(Noun) The part of a day period which one spends at oneu2019s job, school, etc.
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- A planet's day is the time it takes the planet to rotate or spin once on its axis. Mars rotates at almost the same speed as the Earth so a day on Mars is about as long as a day on Earth. A day on Mars is 24.62 hours long while a day on Earth is 23.934 hours long. 1  Javascript must be enabled to use Cool Cosmos. 2  Learn how.
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- A holiday is a day in which a government, individuals, or religious groups have deemed the day of special significance. It is a day for commemoration and celebration. Every holiday is either deemed a fixed day or it is considered a moveable holiday in which it varies year by year. Below you will find a list of the main holidays and how to determine when each holiday lands each year: Holiday Name. Determination Method.
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Definitions &Translations Thus, if this is the sun, the day (the interval between two successive transits of the sun's center over the same meridian) is called a solar day; if it is a star, a sidereal day; if it is the moon, a lunar day.
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good day good day - a farewell remark; they said their good-byes. bye-bye, cheerio, goodby, good-by, goodbye, good-bye, sayonara, so long, adieu, adios, arrivederci, au revoir, auf wiedersehen, bye. farewell, word of farewell - an acknowledgment or expression of goodwill at parting.
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- From Wikipedia, the free encyclopedia. . One Day  is a song by Jewish reggae singer Matisyahu, first released in 2008, his first single since Jerusalem (Out of the Darkness Comes Light) . The song was also included as a last-minute addition to Matisyahu's album Light. One Day  is a song by Jewish reggae singer Matisyahu, first released in 2008, his first single since Jerusalem (Out of the Darkness Comes Light) .
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week calendar day, civil day - a day reckoned from midnight to midnight. day of the week - any one of the seven days in a week. week from Monday - a time period of a week or more; a week from Monday will be too soon!. weekend - a time period usually extending from Friday night through Sunday; more loosely defined as any period of successive days including one and only one Sunday.
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Definitions &Translations A degree day is computed as the integral of a function of time that generally varies with temperature. The function is truncated to upper and lower limits that vary by organism, or to limits that are appropriate for climate control.
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A Day Is Not Exactly 24 Hours Modern timekeeping defines a day as the sum of 24 hours – but that is not quite correct. The Earth's rotation slows down over time. So in terms of solar time, most days are a little longer than 24 hours. Today is predicted to be 1.4033 ms (milliseconds) or 0.0014033 seconds longer than 24 hours.
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Difference Between Day and Night A calendar day is a 24 hour period between two consecutive midnights. During a day, we experience both day time as well as night time. Day time, which is literally referred to as day, is the part of the day when the Sun is up in the sky. In other words, a day starts with the sun rise and ends with the sun set.
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- 1 (Abbr. 2  D) One of the numbered 24-hour periods into which a week, month, or year is divided. 3  The portion of a 24-hour period that is devoted to work, school, or business: an eight-hour day; a sale that lasted for three days. 4  A 24-hour period or a portion of it that is reserved for a certain activity: a day of rest.
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- What day is the day after tomorrow? The answer is +2 days today's day. I like to explain it with numbers: {1 [What day (today)] + 1(is the day) + 1 (after tomorrow)} so 1+1+1-1 (for today) all together is +2.
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- 'D-Day is a general military term for the day on which an operation or exercise is planned to commence. The choice of the letter D has no significance, and any other letter could equally be used. Its only purpose is to provide a point of reference from which all other dates can be reckoned.
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- Methanol is the simplest of the alcohol group of compounds, having the lowest molecular... Methanol (CH3OH or methyl alcohol) is soluble in water. Methanol is the simplest of the alcohol group of compounds, having the lowest molecular... Methanol (CH3OH or methyl alcohol) is soluble in water.
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2018 Calendar of Events - CalEdFacts Law Day is a special day aimed to help people appreciate their liberties and to affirm their loyalty to the United States, especially with regard to equality and justice. It also aims to cultivate respect for the law, which is vital to the democratic way of life.
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What is Business Day? A business day is considered every official working day of the week. Another common term is working day. Typically, these are the days between and including Monday to Friday and do not include public holidays and weekends. The definition of a business day varies by region. It depends on the local workweek which is dictated by local customs, religions, and business operations.
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day 1. (Horology) Also called: civil day the period of time, the calendar day, of 24 hours' duration reckoned from one midnight to the next. 2. a. the period of light between sunrise and sunset, as distinguished from the night. b. (as modifier): the day shift.
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- Every Day by David Levithan tells the story of `A'. `A' is a person with no body. Every day `A' wakes up in the body of a new person. For sixteen years this is the way `A' has lived: everyday a new life with new people and relationships.
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What is Temperature? - Definition & Measurement When we measure an object's temperature, we measure the average kinetic energy of the particles in the object. How can we measure the temperat...
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day the period of time, the sidereal day, during which the earth makes one complete revolution on its axis relative to a particular star. The mean sidereal day lasts 23 hours 56 minutes 4.1 seconds of the mean solar day.
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What is LAW DAY? What is LAW DAY? The day prescribed in a bond, mortgage, or defeasible deed for payment of the debt secured thereby, or, in default of payment, the forfeiture of the property mortgaged. But this does not now occur until foreclosure. Ward v. Lord, 100 Ga. 407, 28 S. E. 440; Moore v. Norman, 43 Minn. 428, 45 N. W. 857, 9 L. R. A. 55, 19 Am.
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Planetary Days and Hours Planetary Days and Hours. A day is a period of time that has existed based on the most obvious natural clock we have: the Sun. For most places on the Earth, a day is the amount of time that elapses between when the Sun is at one point at the sky (say, the zenith) and the next time the Sun is at that point.