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Franklin D. Roosevelt. 4,422 days. (1933–1945) William Henry Harrison. 31 days. (1841) This is a list of presidents of the United States by time in office. The listed number of days is calculated as the difference between dates, which counts the number of calendar days except the last day. The length of a full four-year presidential term of ...
Animation showing equation of time and analemma path over one year.. The United States Naval Observatory states "the Equation of Time is the difference apparent solar time minus mean solar time", i.e. if the sun is ahead of the clock the sign is positive, and if the clock is ahead of the sun the sign is negative.
The year 2038 problem (also known as Y2038, [ 1] Y2K38, Y2K38 superbug or the Epochalypse[ 2][ 3]) is a time computing problem that leaves some computer systems unable to represent times after 03:14:07 UTC on 19 January 2038. The problem exists in systems which measure Unix time —the number of seconds elapsed since the Unix epoch (00:00:00 ...
HANOI (Reuters) -The European Union's foreign policy chief Josep Borrell said on Tuesday the EU wanted to guarantee peace in the South China Sea and told Vietnam the bloc could help boost its ...
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History of timekeeping devices. A marine sandglass. It is related to the hourglass, nowadays often used symbolically to represent the concept of time. The history of timekeeping devices dates back to when ancient civilizations first observed astronomical bodies as they moved across the sky. Devices and methods for keeping time have gradually ...
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