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7th day of the 1st month: 人日(Jinjitsu), 七草の節句(Nanakusa no sekku) held on 7 January. 3rd day of the 3rd month: 上巳(Jōshi), 桃の節句(Momo no sekku) held on 3 March in many areas, but in some area on 3 April. 雛祭り(Hina matsuri), Girls' Day. 5th day of the 5th month: Tango(端午): mostly held on 5 May.
At this time estimate, Flight 11 is about to descend over New York and is just minutes away from crashing. 8:46:40: Flight 11 crashes into the north face of the North Tower (1 WTC) of the World Trade Center, between floors 93 and 99. All passengers aboard are instantly killed with an unknown number inside the building.
A calendrical calculation is a calculation concerning calendar dates. Calendrical calculations can be considered an area of applied mathematics. Some examples of calendrical calculations: Converting a Julian or Gregorian calendar date to its Julian day number and vice versa (see § Julian day number calculation within that article for details ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 13 October 2024. Predicted dates of the end of the world This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources. The Last Judgment by painter Hans Memling. In Christian belief, the Last Judgement is an ...
History of calendars. The history of calendars covers practices with ancient roots as people created and used various methods to keep track of days and larger divisions of time. Calendars commonly serve both cultural and practical purposes and are often connected to astronomy and agriculture. Archeologists have reconstructed methods of ...
The Gregorian calendar, like the Julian calendar, is a solar calendar with 12 months of 28–31 days each. The year in both calendars consists of 365 days, with a leap day being added to February in the leap years. The months and length of months in the Gregorian calendar are the same as for the Julian calendar.
Pascal's calculator (also known as the arithmetic machine or Pascaline) is a mechanical calculator invented by Blaise Pascal in 1642. Pascal was led to develop a calculator by the laborious arithmetical calculations required by his father's work as the supervisor of taxes in Rouen. [ 2 ] He designed the machine to add and subtract two numbers ...
A Lilian date is the number of days since the beginning of the Gregorian calendar on October 15, 1582, regarded as Lilian date 1. It was invented by Bruce G. Ohms of IBM in 1986 and is named for Aloysius Lilius, who devised the Gregorian Calendar. [1] Lilian dates can be used to calculate the number of days between any two dates occurring since ...