Leap-year
61Year 2000 problem — Y2K redirects here. For other uses, see Y2K (disambiguation). The (French) sign reads 3 January 1900 instead of 3 January 2000 The Year 2000 problem (also known as the Y2K problem, the Millennium bug, the Y2K bug, or simply Y2K) was a problem for …
62Leap second — A leap second is a one second adjustment that keeps broadcast standards for time of day close to mean solar time. Broadcast standards for civil time are based on Coordinated Universal Time (UTC), a time standard which is maintained using… …
63leap — v. & n. v. (past and past part. leaped or leapt) 1 intr. jump or spring forcefully. 2 tr. jump across. 3 intr. (of prices etc.) increase dramatically. n. a forceful jump. Phrases and idioms: by leaps and bounds with startlingly rapid progress.… …
64year — (a or y or yr) 1. a unit of time, defined to be the period of time required for the Earth to make one revolution around the Sun. To be more precise, the year we use in ordinary life (described in the next entry) is designed to approximate the… …
65year — A determinate period, consisting for all practical purposes of 365 days, except as 366 days appear in a leap year. 52 Am J1st Time § 10. A calendar year in the absence of qualification. Dycema v Story & C. Piano Co. 220 Mich 600, 190 NW 638, 27… …
66leap second — noun A second of time added to the year occasionally to compensate for variation in the rate of Earths rotation relative to the absolute standards of time. See Also: leap, leap year, second …
67Year zero — There is no year zero in the widely used Gregorian calendar, nor in its predecessor, the Julian calendar. Under those systems, the year 1 BC is followed by AD 1. However, there is a year zero in astronomical year numbering (where it coincides… …
68year — n. 1 (also astronomical year, equinoctial year, natural year, solar year, tropical year) the time occupied by the earth in one revolution round the sun, 365 days, 5 hours, 48 minutes, and 46 seconds in length (cf. sidereal year). 2 (also calendar …
69year */*/*/ — UK [jɪə(r)] / US [jɪr] noun Word forms year : singular year plural years 1) [countable] a period of 365 days, or 366 in a leap year, divided into 12 months He lived in Paris for a few years. I started my job two years ago. a) used for talking… …
70year — [[t]yɪər[/t]] n. 1) hor a period of 365 or 366 days, in the Gregorian calendar, divided into 12 calendar months, now reckoned as beginning Jan. 1 and ending Dec. 31 (calendar year). Compare common year leap year 2) hor a period of the same length …
