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Between 1972 and 2020, a leap second has been inserted about every 21 months, on average. However, the spacing is quite irregular and apparently increasing: there were no leap seconds in the six-year interval between 1 January 1999, and 31 December 2004, but there were nine leap seconds in the eight years 1972–1979.
year Remain-der on divide by 900 Is a Revised Julian leap year Is a Grego-rian leap year Revised Julian is same as Grego-rian 1000: 100 1100: 200 1200: 300 1300: 400 1400: 500 1500: 600 1600: 700 1700 800 1800 0 1900 100 2000 200 2100 300 2200 400 2300 500 2400 600 2500 700 2600 800 2700 0 2800: 100 2900: 200 3000: 300 3100: 400
A leap year (also known as an intercalary year or bissextile year) is a calendar year that contains an additional day (or, in the case of a lunisolar calendar, a month) compared to a common year. The 366th day (or 13th month) is added to keep the calendar year synchronised with the astronomical year or seasonal year . [ 1 ]
1996: You'd be 28 years old or 7. 2000: You'd be 24 years old or 6. 2004: You'd be 20 years old or 5. ... your birthday would be observed after 11:59 p.m. on Feb. 28 — or March 1 — on non-leap ...
To combat that problem, we skip leap years on years that are divisible by 100 and not divisible by 400. That means we had a leap year in 2000, but we skipped leap years in 1800 and 1900 and will ...
That resulted in the years 1700, 1800, and 1900 losing their leap day, but 2000 adding one. Every other fourth year in all of these centuries would get it's Feb. 29. And with that the calendrical ...
A century leap year is a leap year in the Gregorian calendar that is evenly divisible by 400. [1] Like all leap years, it has an extra day in February for a total of 366 days instead of 365. In the obsolete Julian calendar, all years that were divisible by 4, including end-of-century years, were considered leap years. The Julian rule, however ...
Pages in category "Leap years in the Gregorian calendar" The following 110 pages are in this category, out of 110 total. ... 2000; 2004; 2008; 2012; 2016; 2020; 2024 ...