Примеры использования Solar time на Английском языке и их переводы на Русский язык
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The solar time as World Clock.
Hours and minutes of mean solar time.
The official time is the solar time plus two hours in summer and one hour in winter.
The shade that is formed will indicate the Local Solar Time.
The place has no solar time; there is no daily maximum or minimum solar height above the horizon.
Representation of the course of the earth around the sun,or true solar time.
Some activists believe that the mismatch between Spain's clock time and solar time contributes to the country's unusual daily schedule.
At ten o'clock,an equation-of-time display expresses the difference between civil and solar time.
The difference between the length of the actual solar day, termed"solar time", and the 24-hour day, termed"civil time", is called the equation of time.
The SI second as now used for UTC,when adopted, was already a little shorter than the current value of the second of mean solar time.
In traditional astronomical usage, civil time was mean solar time reckoned from midnight.
All of these versions of UT, except for UTC, are based on Earth's rotation relative to distant celestial objects(stars and quasars), but with a scaling factor andother adjustments to make them closer to solar time.
He also shares time zones with Galicia in Spain,despite the solar time difference of 2½ hours.
Prior to 1920, all ships kept solar time on the high seas by setting their clocks at night or at the morning sight so that, given the ship's speed and direction, it would be 12 o'clock when the sun crossed the ship's meridian.
An object, located in such an orbit,passes over any point on the Earth's surface at about the same local solar time on several occasions.
In Europe, the widespread use of Central European Time(CET) causes major variations in some areas from solar time.
The reason for the specific offset of +0h 19m 32.13 was that the timezone was centered on the mean solar time of the Westertoren(4°53'01.95" E Longitude), the tower of the Westerkerk church in Amsterdam.
Clemence(1948) made it clear that his proposal was intended"for the convenience of astronomers andother scientists only" and that it was"logical to continue the use of mean solar time for civil purposes.
Earlier the Taganrog Sundial showed the right local solar time(which for Taganrog was 25 minutes earlier than Moscow time), and with the help of the corrections given to the dial, this time could be brought into line with the mechanical clock.
Complicated mechanism model- True North Perpetual- features simultaneous location on the dial indicator of the real solar time and perpetual calendar.
According to the original 24-hour division of the world,the nearest mean solar time zone is Greenwich Mean Time for all of mainland Spain except the westernmost part(about three-quarters of Galicia), which corresponds with the GMT-01:00 time zone.
Pocket watches featuring this technology were once used to determine sidereal or solar time as well as geographical longitude.
Nowadays, UT is the observed orientation of the Earth relative to an inertial reference frame formed by extra-galactic radio sources,modified by an adopted ratio between sidereal time and solar time.
ET, in turn, can now be seen(inlight of modern results) as close to the average mean solar time between 1750 and 1890(centered on 1820), because that was the period during which the observations on which Newcomb's tables were based were performed.
The British Association for the Advancement of Science(BAAS) in 1862 stated that"All men of science are agreed to use the second of mean solar time as the unit of time. .
For example, the Romans kept time with water clocks that had different scales for different months of the year; at Rome's latitude,the third hour from sunrise(hora tertia) started at 09:02 solar time and lasted 44 minutes at the winter solstice, but at the summer solstice it started at 06:58 and lasted 75 minutes.
In this way, decisions made by the original designers of ephemeris time influenced the length of today's standard SI second, and in turn, this has a continuing influence on the number of leap seconds which have been needed for insertion intocurrent broadcast time scales, to keep them approximately in step with mean solar time.
Inspection of the formulae above shows that the(ideally constant) unit of ephemeris time such as the ephemeris second has been for the whole of the twentieth century very slightly shorter than the corresponding(but not precisely constant)unit of mean solar time(which besides its irregular fluctuations tends gradually to increase), consistently also with the modern results of Morrison and Stephenson see article ΔT.
Following this, an astronomical conference held in Paris in 1950 recommended"that in all cases where the mean solar second is unsatisfactory as a unit of time by reason of its variability, the unit adopted should be the sidereal year at 1900.0, that the time reckoned in this unit be designated ephemeris time", andgave Clemence's formula(see Definition of ephemeris time(1952)) for translating mean solar time to ephemeris time. .