en.wikipedia.org/wiki/Day

A day is approximately the period of time during which the Earth completes one rotation around its axis. A solar day is the length of time which elapses between ...

www.merriam-webster.com/dictionary/day

Day definition is - the time of light between one night and the next. How to use day in a sentence.

www.dictionary.com/browse/day

Day definition, the interval of light between two successive nights; the time between sunrise and sunset: Since there was no artificial illumination, all activities ...

en.wiktionary.org/wiki/day

From Middle English day, from Old English dæġ (“day”), from Proto-Germanic * dagaz (“day”), from Proto-Indo-European *dʰogʷʰ-o-s, from *dʰegʷʰ- (“to ...

dictionary.cambridge.org/us/dictionary/english/day

day meaning: 1. a period of 24 hours, especially from twelve o'clock one night to twelve o'clock the next night: 2. used to refer to the period in 24 hours when it is ...

www.thefreedictionary.com/day

(Astronomy) the period of time, the solar day, during which the earth makes one complete revolution on its axis relative to the sun. The mean solar day is the ...

www.capitalbikeshare.com/pricing/day-passes

Day Passes. Short-term passes are perfect for tourists and visitors. Explore metro DC on two wheels! Capital Bikeshare is a fun way to see the sights and get to ...

www.earthday.org/about/the-history-of-earth-day

Apr 22, 2019 ... Each year, Earth Day—April 22—marks the anniversary of the birth of the modern environmental movement in 1970.

www.earthday.org

Visit the official Earth Day site to learn about the world's largest environmental movement and what you can do to make every day Earth Day. Together, we can  ...