- daylight hemisphere
- дневное полушарие
English-russian dictionary of physics. 2013.
daylight hemisphere
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daylight saving time — n. [often D S T ] standard time that is one hour later than the standard time for a given zone based on mean solar time: it is used to give an hour more of daylight at the end of the usual working day: also daylight savings time * * * System for… … Universalium
Daylight saving time by country — See also: List of time zones by country Daylight Saving Time Countries as October 2011 & … Wikipedia
Daylight saving time — This article is about daylight saving time in general. For DST in a specific location, see Daylight saving time by country. Summer time and DST redirect here. For other uses, see Summer time (disambiguation) and DST (disambiguation) … Wikipedia
Daylight saving time around the world — legend|#c00000|Areas that never had DST Daylight saving time around the world, showing usage and a short history by location in alphabetic order. Africa The only African countries which use daylight saving time are: *Canary Islands From last… … Wikipedia
Daylight saving time in the United States — Ohio Clock in the U.S. Capitol being turned forward for the country s first daylight saving time in 1918 Daylight saving time in the United States was first observed in 1918. Most areas of the United States currently observe daylight saving time … Wikipedia
Daylight factor — A daylight factor is the ratio of internal light level to external light level and is defined as follows: DF = (Ei / Eo) x 100% where, Ei = illumiance due to daylight at a point on the indoors working plane, Eo = simultaneous outdoor illuminance… … Wikipedia
Daylight saving time in the Falkland Islands — DST is observed from the first Sunday of September to the third Sunday of April.[1] The Islands will in 2011 try all year round summer time /DST (UTC 03:00): official clocks will not go back on April 17, 2011.[2][3] For 2012 it is planned to go… … Wikipedia
Daylight saving time in Honduras — Honduras adopted DST once, from May 1994 until September 1994 but then abandoned it. On May 7, 2006 it again used DST; however it ended on August 7, 2006, making this the shortest use of DST in the northern hemisphere as it was only applied for 3 … Wikipedia
Equinox — This article is about the astronomical event when the sun is at zenith over the Equator. For other uses, see Equinox (disambiguation). For the same event happening on other planets and setting up a celestial coordinate system, see Equinox… … Wikipedia
Day length — as a function of latitude and the day of the year Day length, or length of day, or length of daytime, refers to the time each day from the moment the upper limb of the sun s disk appears above the horizon during sunrise to the moment when the… … Wikipedia
Sundial — A sundial is a device that measures time by the position of the Sun. In common designs such as the horizontal sundial, the sun casts a shadow from its style (a thin rod or a sharp, straight edge) onto a flat surface marked with lines indicating… … Wikipedia
