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Julian Day calendar
(Encyclopedia)Julian Day calendar, system of astronomical dating that allows the difference between two dates to be calculated more easily than conventional civil calendars with their uneven months. It was devised ...Tet offensive
(Encyclopedia)Tet offensive, 1968, a series of crucial battles in the Vietnam War. On Jan. 31, 1968, the first day of the celebration of the lunar new year, Vietnam's most important holiday, the Vietnamese Communis...daylight saving time
(Encyclopedia)daylight saving time (DST), time observed when clocks and other timepieces are set ahead so that the sun will rise and set later in the day as measured by civil time. The amount of daylight on a given...day
(Encyclopedia)day, period of time for the earth to rotate once on its axis. The ordinary day, or solar day, is measured relative to the sun, being the time between successive passages of the sun over a stationary o...Yom Kippur
(Encyclopedia)Yom Kippur [Heb.,=day of atonement], in Judaism, the most sacred holy day, falling on the 10th day of the Jewish month of Tishri (usually late September or early October). It is a day of fasting and p...bourse
(Encyclopedia)bourse bo͝ors [key], term applied to a European stock exchange. The first international bourse was established in Antwerp in the 16th cent. The Paris bourse, dating from 1720 but completely reorganiz...Suárez González, Adolfo
(Encyclopedia)Suárez González, Adolfo ädôlˈfō swäˈrāth gōnthäˈlĕth [key], 1932–2014, Spanish lawyer and political leader. Because he had worked in the Nationalist Movement (the Falange) for 18 years ...solar time
(Encyclopedia)solar time, time defined by the position of the sun. The solar day is the time it takes for the sun to return to the same meridian in the sky. Local solar time is measured by a sundial. When the cente...cycle
(Encyclopedia)cycle, in astronomy, period of time required for the recurrence of some celestial event. The length of a cycle may be measured relative to the sun or to the fixed stars (see sidereal time). A frequent...Day, Benjamin
(Encyclopedia)Day, Benjamin, 1838–1916, American printer; son of Benjamin Henry Day. While working in New York City, Day invented a process, utilizing celluloid sheets, for shading plates in the color printing of...Browse by Subject
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