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  2. Sunrise equation - Wikipedia

    en.wikipedia.org/wiki/Sunrise_equation

    5.9 Calculate sunrise and sunset. 5.10 Example of ... The sunrise equation or sunset equation can be used to derive the time of sunrise or sunset for any ...

  3. Sunrise - Wikipedia

    en.wikipedia.org/wiki/Sunrise

    Sunrise seen over the Atlantic Ocean through cirrus clouds on the Jersey Shore at Spring Lake, New Jersey, U.S. Sunrise (or sunup) is the moment when the upper rim of the Sun appears on the horizon in the morning, [1] at the start of the Sun path. The term can also refer to the entire process of the solar disk crossing the horizon.

  4. Sunset - Wikipedia

    en.wikipedia.org/wiki/Sunset

    Calculate the sunset hour angle using the sunset equation; 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 ...

  5. Solar zenith angle - Wikipedia

    en.wikipedia.org/wiki/Solar_zenith_angle

    Sunset and sunrise occur (approximately) when the zenith angle is 90°, where the hour angle h 0 satisfies [2] ⁡ = ⁡ ⁡. Precise times of sunset and sunrise occur when the upper limb of the Sun appears, as refracted by the atmosphere, to be on the horizon.

  6. Twilight - Wikipedia

    en.wikipedia.org/wiki/Twilight

    Geoscience Australia "Sunrise and sunset times" Compute twilight times. 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

  7. How short will days get before daylight saving ends? See ...

    www.aol.com/short-days-daylight-saving-ends...

    On Sunday, Nov. 3, the clock will be pushed back an hour, making the sunset times in the U.S. even earlier. “Wait, didn’t we get rid of these time changes?” you might wondering. No, but ...

  8. Notice a vivid sunset, sunrise? Here's how Idalia played a role

    www.aol.com/weather/notice-vivid-sunset-sunrise...

    When ice crystals from cirrus clouds are present at sunrise or sunset, the sky can appear in vivid reds or oranges when the sun is nearby in the sky. GET THE FREE ACCUWEATHER APP.

  9. Rule of twelfths - Wikipedia

    en.wikipedia.org/wiki/Rule_of_twelfths

    The rule is also useful for estimating the monthly change in sunrise and sunset and thus day length. [4] Example calculations. Tides. If a ...