Type of year AG on a solar calendar according to its starting and ending days in the week
A leap year starting on Sunday is any year with 366 days (i.e. it includes 29 February) that begins on Sunday, 1 January, and ends on Monday, 31 December. Its dominical letters hence are AG. The most recent year of such kind was 2012 and the next one will be 2040 in the Gregorian calendar[1] or, likewise, 1996 and 2024 in the obsolete Julian calendar.
In this type of year, all dates (except 29 February) fall on their respective weekdays 58 times in the 400 year Gregorian calendar cycle. Leap years starting on Friday share this characteristic.
Leap years that begin on Sunday, along with those that start on Friday, occur most frequently: 15 out of the 97 (≈ 15.46%) total leap years in a 400-year cycle of the Gregorian calendar. Thus, the overall occurrence is 3.75% (15 out of 400).
Like all leap year types, the one starting with 1 January on a Sunday occurs exactly once in a 28-year cycle in the Julian calendar, i.e., in 3.57% of years. As the Julian calendar repeats after 28 years, it will also repeat after 700 years, i.e., 25 cycles. The formula gives the year's position in the cycle ((year + 8) mod 28) + 1).
Molecular assembler From Wikipedia, the free encyclopedia (Redirected from Nanofactory ) Jump to navigation Jump to search Proposed nanotechnological device This article's lead section may be too long for the length of the article . Please help by moving some material from it into the body of the article. Please read the layout guide and lead section guidelines to ensure the section will still be inclusive of all essential details. Please discuss this issue on the article's talk page . ( December 2020 ) Part of a series of articles on Molecular nanotechnology Mechanosynthesis Molecular assembler Molecular machine Brownian motor Productive nanosystems Nanorobotics Engines of Creation Science portal Technology portal v t e A molecular assembler , as defined by K. Eric Drexler , is a "proposed device able to guide chemical reactions by positioning reactive ...
Gustavo Adolfo Espina Salguero From Wikipedia, the free encyclopedia Jump to navigation Jump to search This biography of a living person needs additional citations for verification . Please help by adding reliable sources . Contentious material about living persons that is unsourced or poorly sourced must be removed immediately , especially if potentially libelous or harmful. Find sources: "Gustavo Adolfo Espina Salguero" – news · newspapers · books · scholar · JSTOR ( March 2009 ) ( Learn how and when to remove this template message ) His Excellency Gustavo Espina 30th President of Guatemala In office 1 June 1993 – 5 June 1993 Vice President None Preceded by Jorge Serrano Succeeded by Ramiro de León Vice President of Guatemala In office 14 January 1991 – 1 June 1993 President Jorge Serrano Preceded by Roberto Carpio Succeeded by Arturo He...
Jump to content Toggle sidebar Search Create account Foo Create account Log in Pages for logged out editors learn more Talk Contributions Navigation Main page Contents Current events Random article About Wikipedia Contact us Donate Contribute Help Learn to edit Community portal Recent changes Upload file Tools What links here Related changes Upload file Special pages Permanent link Page information Cite this page Wikidata item ...
Comments
Post a Comment