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  2. Lighting-up time - Wikipedia

    en.wikipedia.org/wiki/Lighting-up_time

    Lighting-up time, sunrise/sunset and twilights at the National Maritime Museum, Greenwich, United Kingdom; Lighting-up time at the Royal Observatory Edinburgh; D. O'Leary, When to light up: a pocket treatise on the Lights on vehicles act, 1907 containing a full explanation of the act, with a table showing the lighting-up time Published 1908

  3. Sunset - Wikipedia

    en.wikipedia.org/wiki/Sunset

    Calculate the sunset time, which is the solar noon time plus the sunset hour angle in degree divided by 15; Use the sunset time as input to the solar geometry routine to get the solar azimuth angle at sunset. An interesting feature in the figure on the right is apparent hemispheric symmetry in regions where daily sunrise and sunset actually occur.

  4. Sunrise equation - Wikipedia

    en.wikipedia.org/wiki/Sunrise_equation

    The sunrise equation or sunset equation can be used to derive the time of sunrise or sunset for any solar declination and latitude in terms of local solar time when sunrise and sunset actually occur. Formulation

  5. Twilight - Wikipedia

    en.wikipedia.org/wiki/Twilight

    An Excel workbook with VBA functions for twilight (dawn and dusk), sunrise, solar noon, sunset, and solar position (azimuth and elevation) by Greg Pelletier, translated from NOAA's online calculator for sunrise/sunset; Time and Date to find the current state of the sun in a specified place. "Twilight" . Encyclopædia Britannica. Vol. 27 (11th ...

  6. Daylight saving time - Wikipedia

    en.wikipedia.org/wiki/Daylight_saving_time

    Daylight saving time (DST), also referred to as daylight saving(s), daylight savings time, daylight time (United States and Canada), or summer time (United Kingdom, European Union, and others), is the practice of advancing clocks to make better use of the longer daylight available during summer so that darkness falls at a later clock time.

  7. List of solar eclipses visible from the British Isles - Wikipedia

    en.wikipedia.org/wiki/List_of_solar_eclipses...

    This is a partial list of solar eclipses visible from Britain and Ireland between AD 1 – AD 2091.. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partially obscuring Earth's view of the Sun. Below is a complete list of total and annular eclipses visible anywhere within the modern extent of the United Kingdom between AD 1 and AD 2090 [1] and a ...

  8. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Summer solstice - Wikipedia

    en.wikipedia.org/wiki/Summer_solstice

    Many ancient monuments in Europe especially, as well as parts of the Middle East, Asia and the Americas, are aligned with the sunrise or sunset on the summer solstice (see archaeoastronomy). [ 9 ] [ 10 ] The significance of the summer solstice has varied among cultures, but most recognize the event in some way with holidays , festivals , and ...